Clinical Chemistry Numericals Practice Test

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The Martin-Hopkins method estimates VLDL using which approach?
Which of the following is NOT listed as one of the two most common interferences in hexokinase glucose measurement?
Which enzyme acts as a hydrolase and is used as a marker for liver disease?
Which ABG analytes are directly measured?
Which chromatography form uses a stationary phase in a column?
Which adrenal medulla tumor is typically associated with increased VMA but not HVA?
Which protein increases up to ten-fold in nephrotic syndrome?
Which hormone from the anterior pituitary triggers ovulation?
Which hypothalamic releasing hormone stimulates the release of FSH and LH?
Uric acid deposition in tissues occurs when serum uric acid exceeds which threshold in mg/dL?
Which criterion is used to stage acute kidney injury?
Which copper reduction method is most commonly used in glucose measurement?
In Beer's Law A = a b c, which statement is correct?
What is the ADA pre-prandial glucose goal?
Which speed value is exactly at the upper limit of 200-1000 rpm?
Which photodetector is described as the most common and most sensitive for low light levels?
Normal phase HPLC is characterized by what?
In nutritional status assessment, which sequence correctly orders the markers from highest to lowest as listed?
In refractometry, how much sample is required?
Which molecules form the ammonium-selective membrane in ion-selective electrodes?
What happens to glucose concentration if a serum sample is stored at room temperature?
Which method is used for chloride determination according to Schales and Schales?
Glycogen stores are depleted within approximately how long during fasting?
In males, LH stimulates which cells to produce which hormone?
Stray light is tested using which instrument component?
In freezing point osmometers, the sample is typically cooled to approximately what temperature?
Which statement correctly contrasts polyclonal and monoclonal gammopathy?
1 mole D-Glucose equals how many osmoles when dissolved in water?
Which hormone is part of the FLAT acronym for anterior pituitary tropic hormones?
Which compound is the most abundant non-protein nitrogen (NPN) substance?
SST and PST can cause decreases in which two drugs?
Whipple's triad of hypoglycemia includes which components?
A protein composed of more than one polypeptide chain held together by non-covalent interactions has which level of structure?
In automation, what does discrete mean?
Which ratio is used to test for patency of the liver?
Which ion is listed as an inorganic anion activator (cofactor)?
Acid phosphatase (ACP) often has optimal activity at pH approximately:
Which particle has the highest triglyceride content?
How many types of thermometers are listed?
Which body fluid does not reflect the same glucose concentration as blood?
Which condition is a common cause of persistent hypoglycemia?
Which of the following is a classic cause of increased anion gap metabolic acidosis?
In immunoassay instrumentation, which pairing correctly matches the detector type with the instrument commonly used to read it?
In the perfect correlation principle, what is the Y-intercept?
Bronze diabetes is caused by deposition of which element?
A total cholesterol value of 230 mg/dL falls into which category?
The measuring electrode buffer for a pCO2 electrode is usually which buffer?
Which of the following is an example of a TD pipette?
Which triglyceride level category indicates high risk for CHD?
Which plastic is autoclavable primarily for chemical resistance?
The Krebs cycle yields how many ATP per acetyl-CoA under aerobic conditions?
What is considered the best specimen for arterial blood gas (ABG) analysis?
Bilirubin oxidase method measures decreased absorbance at which wavelength range?
Peak-level collection times for different administration routes are: IV after 30 minutes, IM after 60 minutes, Oral after 1-2 hours.
In malnutrition indicators, transthyretin is used as a marker for which condition?
Polyclonal gammopathy with large elevation in gamma and beta-gamma bridging due to IgA is most characteristic of which condition?
Which of the following is a correct pairing described in the notes?
In the condensation method, what color indicates formation of Schiff's base with glucose?
Which enzyme is most specific for pancreatitis?
Which cell type secretes growth hormone?
CRP levels: which range defines high risk for CHD/stroke?
Which instrument is used for the colorimetric enzymatic cholesterol assay?
Reference range for creatinine using the enzymatic method in females?
In advanced liver fibrosis where hepatocytes are largely destroyed, AST, ALT, and LD levels are typically:
Which marker is used to differentiate benign prostatic hyperplasia (BPH) from prostatic carcinoma (PC)?
What BAC defines legal intoxication limit?
Which antigens are referred to as oncofetal antigens?
The colloid inside thyroid follicles is primarily composed of which protein?
C-peptide levels are high in which condition?
Which is the correct formula for osmolality when concentrations are given in mg/dL?
Which two anterior pituitary hormones act as insulin antagonists?
Apoenzyme plus a prosthetic group forms which enzyme type?
Sitting to supine posture leads to what change in plasma concentration?
CNS stimulants vs depressants: which pairing is correct?
The nitrogen content of protein is approximately what percent?
Which tests are used to evaluate subclinical or subacute hyper- or hypothyroidism?
Which hormones are produced by the thyroid gland?
What is the normal anion gap range without including potassium?
Which statistical test is used to assess precision (variance)?
Which condition best corresponds to primary hypergonadism?
Cushing's disease is listed as an additional cause of hypernatremia. Which of the following is another listed cause?
Which condition shows TSH normal, FT4 normal, TT3/TT4 low, and T3 uptake high due to low thyroid-binding globulin?
Rank the ALP isoenzymes by heat stability from most to least stable.
In the ferric reduction method, what color is the product formed after reaction with glucose?
Which automatic micropipettor operates like a hypodermic syringe for viscous samples with constant aspiration force?
Using the transmittance formula T(%) = 10^(2 - A), what is the transmittance when absorbance A equals 0?
What type of centrifuge head is used for microhematocrit tubes?
Which is an acute complication of Type 1 diabetes mellitus?
Which ISO standard applies to clinical laboratories?
What is the most common visible light source?
McArdle disease is caused by deficiency of which enzyme?
Modified Van Handel Zilversmith method modifications?
Which test is described as the SIADH diagnostic test in the material?
Poppy plants are the natural source of which class of abused drugs?
What is the normal reference range for serum albumin?
Spectrophotometry measures what type of light?
Total immersion calibration applies to which equipment?
Which gas is NOT listed as a mobile phase in the source material for gas chromatography?
In the Kober test for urinary estrogen, which reagent yields a pink color with sulfuric acid?
Routine renal function testing commonly measures which biomarker?
In the equation y = mx + b, what does m denote?
Which lipoprotein has exogenous triglycerides as its major component?
The Ferro-Ham chloranilic acid precipitation method for calcium uses which acid as reagent?
What is the pH of the reaction in the Evelyn-Malloy method?
For the sample type used in evaluating hemolysis effects, which is preferred?
Which of the following is used in the evaluation of pheochromocytoma?
What is the reference range commonly cited for alkaline phosphatase activity in U/L?
Which apolipoprotein serves as a surrogate marker for HDL?
Which medium is used for separation by both size and charge in electrophoresis?
In immunoassays for therapeutic drug monitoring, which description matches Microparticle Enzyme Immunoassay?
What is the recommended fasting duration before a 2-hour OGTT?
CFU/mL stands for what?
Increasing the concentration of heparin in an ABG sample tends to cause which combination of effects?
What fraction of total body water is intracellular?
Which protein is an example of a quaternary structure?
In spectrophotometry, what is the purpose of a reagent blank?
Which drug is nephrotoxic and ototoxic?
In slight hemolysis, which enzyme activity is most affected?
Which specimen uses EDTA among the listed items?
Which test is associated with serotonin in the protocol?
To convert percent w/v to molarity for a substance with molecular weight MW, which formula gives M?
Which two gonadotropins are most commonly assessed together as part of fertility evaluation?
Lean Six Sigma addresses two questions. Which pair is correct?
Neonatal Hyperbilirubinemia is due to which condition?
Which group of elements has approximate atomic weights of 10, 12, 14, 16, and 18?
A routine lipid profile consists of which four components?
For most drugs in therapeutic drug monitoring, what is the preferred specimen?
Decreased unmeasured cations, such as in hypocalcemia, would have what effect on the anion gap?
If early screening in pregnancy is negative for GDM, when is glucose testing repeated?
Which antibody is most characteristic of Graves disease?
What is the normal reference range for total protein in serum?
Which test is described as the most specific and sensitive test for thyroid dysfunction?
In the Oliver-Rosalki CK determination method, which reaction uses hexokinase and G6PD along with CK?
CK is a _____ (protein unit).
Which drugs contribute to hyperkalemia by inhibiting uptake by the heart via Na+/K+ ATPase?
For transaminase elevations, acute hepatitis and liver necrosis reach what multiple of ULN?
Which item is NOT listed as an important component of a fluorometer?
Is cholesterol an energy source?
Which lipoprotein has the lowest cholesterol content?
Which two vessels supply the liver?
Which four components constitute the standard electrolyte panel plus a bicarbonate that is calculated?
The photomultiplier tube (PMT) amplifies light by approximately how many times?
In the reference method described, what is the substrate used?
Plastic tubing is commonly made from which polymer?
Which trio of electrolytes is listed for Use no Water?
For TCO2 measurement, which method alkalinizes all CO2 to bicarbonate for measurement?
Which method is used as a reference method for HbA1c analysis in clinical labs?
Which of the following is NOT typically associated with persistent hyperglycemia?
If TAG is high, LDL-C is determined using which method?
What is the prohormone of thyroglobulin?
Calibration of the pCO2 electrode requires which standard?
Inappropriate ACTH production refers to which condition?
What is the most common anterior pituitary gland tumor?
Which follicle is selected to release the ovum and give rise to the corpus luteum?
Which ion acts as an activator of alkaline phosphatase?
Which group of risk factors promotes atherosclerosis?
In linear regression, the slope corresponds to which type of error?
Which pair of diseases is associated with alpha-1 antitrypsin deficiency?
Steady state is typically achieved after how many half-lives?
Which support is used in thin-layer chromatography (TLC)?
In the Biuret reagent, which base is used?
Procalcitonin is increased in bacterial infection within which time frame?
Which electrolyte is described as requiring fasting before measurement?
Type 3b diabetes involves defects in the exocrine pancreas.
Ideal storage temperature for enzymes is typically:
Fructosamine measurement is unreliable in hypoalbuminemia when albumin is at or below what level (in g/dL)?
Elevated DHEA is associated with deficiency of which enzyme in congenital adrenal hyperplasia?
What is the typical turnaround time for routine laboratory testing?
A BUN-to-creatinine ratio less than 10:1 is typically seen in which scenarios?
Which buffer is considered the principal buffer of intracellular fluids?
What is a synonym for analytical sensitivity?
D and L enantiomers are based on which carbon's hydroxyl group?
In the D/L designation, the D form corresponds to the OH group on the penultimate carbon pointing to the:
What is the method used for sweat chloride testing?
Which pairing correctly matches an acid-base disorder with its major cause and compensation?
Which of the following is a substrate for horseradish peroxidase (HRP) in luminescent assays?
Which HbA1c method is described as the preferred method for measurement?
In postmenopausal women, which estrogen predominates?
For every 1°C increase in temperature, the multiplying factor for pO2 is:
Which laboratory parameter most directly indicates decreased hepatic synthetic function in cirrhosis?
Linearity of the instrument is checked using which materials?
Which is the most potent estrogen?
Prolonged storage of a specimen tends to cause which primary change?
In the phosphate colorimetric assay, the reduced phosphomolybdate yields which color?
Which is a continuum light source?
Which unit would you expect to see for cytocentrifuge speed in a protocol?
In the Jaffe method, the kinetic improvement involves measuring absorbance at which?
The dilution factor D is defined as
Hemolysis can cause falsely elevated potassium in a sample because:
Which pair of reagents corresponds to the two calcium precipitation techniques?
Which of the following is NOT a CHIMPS cause of hypercalcemia?
Which type of error affects accuracy?
What is the most common cause of biliary obstruction?
Myoglobin is a negative predictor of acute myocardial infarction within how many hours?
What percentage of serum calcium is protein-bound?
Which cell type secretes ACTH?
For every 100 mg/dL increase in glucose, how many mmol/L of sodium decrease?
Severe burns are listed as a hyponatremia cause via which mechanism?
Cori disease (Type IIIa) is due to deficiency of which enzyme?
FT3 is normally tested only when which two test results are observed?
Type 2 diabetes mellitus is non-insulin dependent diabetes mellitus (NIDDM).
Which ALP isoenzyme resists heating at 65°C for 30 minutes?
Which of the following is a B2 hepatic disease?
Which of the following is a ketose?
What is the recommended lancet length for adults?
Which condition commonly causes secondary hyperparathyroidism?
Which protein is also known as orosomucoid?
According to the material, which of the following is listed as a polar phospholipid?
In the simplified quality scheme, which term represents the overall program ensuring results meet healthcare service requirements?
Which BAC range corresponds to stupor?
Pronounced elevation is defined as how many times ULN?
Which glass type is specifically designed to protect samples from light while providing reasonable thermal stability?
Macroenzymes have a higher half-life because they are less excreted in the urine. Which statement is true?
In galactosemia, which enzyme deficiency is most common?
What are the intermediate products before urea is produced?
What is the defining feature of polyclonal gammopathy on electrophoresis?
Which protein is NOT a beta-globulin?
Which equation corresponds to the De Long method for estimating VLDL in mg/dL?
For photosensitive materials, which glass type is used?
Which metabolite is produced by anaerobic glycolysis?
Which marker is used postoperatively to monitor thyroid cancer?
Gestational diabetes insipidus is caused by increased activity of which enzyme?
Which ALP isoenzyme is most resistant to heating at 65°C for 30 minutes?
Which of the following is a Dye Lake dye?
Macroenzyme 1 is bound to what?
In electrophoresis scatter, which pattern is associated with large particles?
Panic values for pCO2 are at which values?
What term describes the amount of solute in a given amount of solution?
What is the critical total bilirubin value listed?
Tartrate inhibits which ACP source?
Hypoxanthine Guanine Phosphoribosyl Transferase is associated with the conversion of uric acid to which compound?
Which of the following is a cause of high anion gap metabolic acidosis due to unmeasured anions?
What is the CFU/mL threshold for Type 1 reagent water?
Which metal is associated with destruction of type 1 alveolar epithelial cells in the lungs and increased resistance to certain bacterial infections?
In the diaphorase method for enzymatic glucose measurement, the colorimetric product is which color?
Which metric equals TN divided by (TN plus FP)?
Which hormone from the anterior pituitary stimulates ovulation and testosterone production?
Glucose decreases per hour under room temperature conditions?
In flame photometry, which color corresponds to copper emission?
Which genes are considered indicators of hereditary cancer susceptibility in breast cancer risk assessment?
TBPA stands for which of the following in the context of thyroxine transport?
Which complication is primarily associated with type 1 diabetes?
Which statement describes the direct method for osmometry?
What is the percentage distribution of beta-D-glucose and alpha-D-glucose reported in this material?
What fasting period is recommended before triglyceride measurement?
Which condition is described as a hyponatremia cause associated with hypoaldosteronism?
All approaches to automation are capable of which function?
Indirect calculation of LDL-C becomes inaccurate when TAG exceeds which value?
Which Fredrickson Type is Familial combined hyperlipoproteinemia (high LDL and VLDL)?
Absorbance accuracy in spectrophotometry is checked using which combination?
Which rpm falls within the cytocentrifuge speed range of 200-1000 rpm?
Which condition is caused by defective copper reabsorption leading to low copper levels?
Which methods are used to measure sodium in the laboratory?
Increasing frequency of outliers in a data set is most closely associated with which statistical concept?
Which organ primarily regulates extracellular potassium concentration?
Which analyte increases in the supine posture due to fluid shifts?
Enzyme inactivation tends to occur at which temperature range?
Approximately how many grams does 1 milliliter of pure water weigh?
Which has about 10-40% carbohydrate content?
A BUN-to-creatinine ratio greater than 20:1 with a normal creatinine level is most consistent with which condition?
Which LD measurement method is faster?
What term describes the integration of chemistry and immunoassay in modern analyzers?
Panic values for bicarbonate (HCO3) are at which levels?
Which combination of hormones originates from the skin and liver respectively?
In the Walker/Karmen method for ALT determination, which substrate is used by the enzyme?
Which of the following lists the four colligative-property changes associated with high osmolality?
Which marker is used as an obesity marker in the material provided?
For which tube type is the inversion exception 5 times?
Fuller's Earth adsorbent is composed of which silicate?
Hypermagnesemia can result from which condition?
Beta-gamma bridging only on electrophoresis is most associated with which plasma component?
Nesslerization in ammonia measurement yields which color?
In atomic absorption spectroscopy, which categories of interference are recognized?
Which indicator is used in the method?
Which parameter best reflects overall patency of bile flow?
Which condition is listed as a cause of a low osmolal gap?
In progressive liver disease, which hepatic function tends to decline last?
GGT is often elevated more than tenfold in which condition?
Which units are used for reporting creatinine in blood and in urine?
Which protein is NOT listed as one of the alpha-1 globulins in the material?
Tarui disease is due to deficiency of which enzyme?
Which tissue is a primary target of oxytocin to induce labor?
After heating at 56°C for 10 minutes, what are the expected residual activities for bone and liver ALP?
What is described as the most common quality management framework?
In hemolytic anemia (HA), how are G6PD and PK levels affected?
Which material is used as the membrane for the sodium-selective ion electrode?
Mercury exists in three forms. Which option correctly lists these forms?
Which lipoprotein is the most atherogenic lipid and the primary marker of coronary heart disease?
Glycerol + periodic acid yields which product?
The De Ritis ratio represents the relative activities of which two liver enzymes?
In acute diarrhea, sodium is typically:
Which pipet category does not require calibration?
What are the two calibration methods for micropipettors?
What is the titrant used in the method?
What is the gold standard test for confirming growth hormone deficiency?
Which components define acid-base balance among the listed electrolytes?
In Nesslerization for ammonia, the reaction of ammonium with dipotassium mercuric iodide yields which color?
Which buffer is used specifically for the Bowers-McComb alkaline phosphatase method?
Main source of error in lipase determination?
Which colorimetric method is used to detect peptide bonds in proteins?
Hyperkalemia due to cellular shift is most strongly associated with which condition?
Acid cleaning solutions contain which compound in concentrated sulfuric acid?
Which hormone reflects placental function and remains increased throughout pregnancy, aiding estrogen and progesterone production?
Blood gas analysis QC is performed with how many levels and how often?
Electroendosmosis causes the gamma globulin band to migrate toward which electrode during electrophoresis?
Verapamil belongs to which class of antiarrhythmic drugs?
130 mmol/L sodium is associated with the onset of hypokalemia due to renal threshold. Which option reflects this level?
Which enzyme releases free cholesterol from macrophages?
Which of the following is a mineral electrolyte commonly measured in clinical chemistry?
What is the color observed in the standard alkaline phosphatase colorimetric method?
Another consequence of squeezing the puncture site is the introduction of what into the specimen?
What is the principle behind most glucose point-of-care tests?
In a premenopausal woman, which estrogen is predominantly produced?
How is prostatic ACP calculated?
How many times should all tubes be inverted in general?
What are the two lights described in fluorometers?
Glutathione synthetase belongs to which enzyme class?
Growth hormone (GH) has which metabolic effects?
In the standing plasma test, what indicates the presence of both VLDL and chylomicrons?
Which form is the active form of vitamin D?
Which abnormal lipoprotein is described as sinking prebetalipoprotein?
Which conjugated protein type has the highest carbohydrate content?
Which of the following is NOT a protease inhibitor?
Which of the following is a glycopeptide hormone?
Which particle carries the highest cholesterol content?
Which drug is commonly used to treat petit-mal (absence) seizures?
Which of the following is not a central tendency measure?
Which support is traditionally used in paper chromatography?
In the chemical method, which step uses Bloom's reagent for extraction?
In the synthesis of thyroid hormones, which component is produced first?
Anodic stripping voltammetry is used to detect which metals?
Which statement best aligns with the material regarding insulin?
Which additive is commonly used to prevent glycolysis in samples for glucose testing?
Hashimoto's thyroiditis is associated with antibodies including anti-thyroglobulin, anti-TPO, and anti-microsomal antibodies. Which option lists these antibodies?
Which lipoprotein is characterized by cholesterol being greater than protein as its major component?
In the linear equation y = mx + b, what does b represent?
In the G6PD-based method, what spectrophotometric detection is used?
Which molecule acts as the acetyl donor entering the Krebs cycle?
Type 1a/1.5 is Latent Autoimmune Diabetes of Adulthood and is characterized by a single specific islet cell autoantibody.
What is the blood to plasma ratio for therapeutic drug monitoring monitoring?
What is the main action of oxytocin?
Which method is described as a reference method for HbA1c testing?
The CDC method for HDL-C includes three processes: Ultracentrifugation, precipitation by heparin-manganese, and which method?
Which of the following specimens is preferred for osmolality measurements?
To diagnose diabetes, HbA1c must be at least what value on two occasions?
Which term describes the process of determining if a patient has a disease?
Which dye is used in calcium dye-binding method besides CPC?
Which immunoassay type is homogeneous and relies on enzyme activity proportional to the analyte concentration?
Which test is used as a confirmatory test for primary hyperaldosteronism?
Which of the following is a major risk factor that modifies LDL goals?
Which combination of reagents is used in the Kjeldahl digestion step for protein analysis?
What is the major CK isoenzyme in skeletal muscle, constituting about 94-100%?
Drug metabolism occurs primarily in which organ?
Which term describes the process of verifying an initial result?
Which Fredrickson type carries the highest cardiac risk?
What is the rule of CV acceptability in method validation?
What are the products of the initial reaction when beta-D-glucose is oxidized by glucose oxidase?
Glucose binds to which site on hemoglobin?
Hypotension in Addison's disease is primarily due to deficiency of which adrenal hormone?
Midnight salivary cortisol in primary hypercortisolism is typically what?
Which pair of serum proteins are negative acute-phase reactants?
Which condition shows TSH normal, FT4 normal, TT3/TT4 high, and T3 uptake low due to high thyroid-binding globulin?
What is the ferritin reference range for healthy adult men?
In primary hyperaldosteronism, a plasma aldosterone to plasma renin ratio diagnostic threshold is greater than what value?
Which statement correctly describes Metyrapone?
Which statement correctly pairs primary hypergonadism with its typical cause?
Na+/K+-ATPase pump uses what type of transport?
Which method is a colorimetric method for chloride determination?
Which method is colorimetric-spectrophotometric for transaminase determination?
In uremia, which electrolyte and acid-base disturbances are commonly observed?
Which set represents the three categories of psychoactive drugs/antidepressants listed?
Among lipoproteins, which carries the most triglycerides?
Decreased albumin with increased a1 and a2 is most associated with which condition according to the material?
Which enzyme is commonly elevated in acute hepatitis?
What is the correct expression for the anion gap as described in the material?
Which type of glass is the most inexpensive?
Which of the following is NOT listed as a cause of hypomagnesemia?
What is the active metabolite of procainamide?
A perfect Gaussian (normal) distribution occurs when which measures of central tendency are equal?
Addison's disease affects sodium and potassium balance due to hypoaldosteronism. Which electrolyte pattern is typical?
An oxytocin-producing tumor has been associated with which lung carcinoma type?
Which pipet is described as the most used transfer pipet in the laboratory?
In electrophoresis, what term describes the movement of buffer ions and solvents within the support material?
Which form of mercury is primarily considered an environmental pollutant?
In the copper reduction methods, what is the initial product formed when glucose reduces copper sulfate?
Which enzyme marker is most commonly used to indicate hepatobiliary obstruction?
Calcitonin is most closely associated with which thyroid disease?
The highest CK elevation is observed in which condition?
In the 3 diazo reagents setup, what is Diazo A composition?
Markers for preterm delivery and threatened abortion
The Renal Panel is BMP-like but with which changes?
What is a key difference between molality and molarity?
Which hormone is primarily responsible for promoting glycolysis, cellular uptake, glycogenesis, and lipogenesis?
If a compound has molecular weight 180 and valence 3, its equivalent weight is
In a basal fasting state, which analyte is commonly measured to assess carbohydrate metabolism?
In the Hexokinase enzymatic glucose method, what activator is commonly used?
An advantage of carbonic acid as the main buffer is that it can provide H+ and HCO3- for buffering.
pH of maximum activity for most enzymes is typically around:
Which test increases specifically in ESS/NTI?
In the placenta's trimester-specific production, which hormone is primarily produced during the second trimester?
What is the recommended cuff pressure to use as a tourniquet during venipuncture?
If blanking cannot be performed, which approach is used?
Which calcium-dye yields a violet color in the dye-binding approach?
For absence (petit mal) seizures, which drug is preferred?
Which method is enzymatic (GLDH) for ammonia determination?
Which chart can only detect systematic error?
Which of the following is a recognized class of enzymes?
What is the reference method for lipoprotein analysis?
Uric acid comprises what percent of non-protein nitrogen (NPN)?
Rochelle's salt is another name for which compound?
Which lipoprotein has protein greater than cholesterol as its major component?
Which test is used for monitoring thyroid hormone replacement therapy?
In the 1-step GDM diagnostic method using a 75 g load, what are the thresholds for fasting, 1-hour, and 2-hour glucose?
In air-displacement micropipettors, the tip is made of which material?
Which medication is listed as a cause of normal anion gap metabolic acidosis (HARDASS)?
What is the listed critical range for sodium?
Ammonia constitutes what percent of total non-protein nitrogen (NPN)?
Which is described as the most important component of HDL?
In fulminant hepatic failure, which marker is disproportionately elevated relative to others?
Which statement correctly describes the percent liver damage for hepatitis and cirrhosis?
Best HUS marker since it is not an APR
Why have chemical copper reduction methods largely fallen out of use in glucose measurement?
Which factor can cause a false positive urine bhCG result?
Osmolality is calculated as Molarity multiplied by what factor?
Which statement correctly describes Bronsted-Lowry acid-base theory?
In arterial blood gas sample handling, pH decreases by how much for every 20-minute delay?
Radio waves have wavelengths greater than 1 centimeter.
Quaternary structure is stabilized by which interactions?
Which parameter represents constant systematic error?
Which apolipoprotein’s function includes acting as an LPL cofactor?
Type 1b is Fulminant Type 1 Diabetes, characterized by no autoantibodies.
If a blood sample is contaminated with intravenously infused fluids, which analyte is most likely to show an artificial increase?
Jaundice is typically clinically apparent when bilirubin reaches what range?
Which of the following is NOT a proliferation signal inhibitor?
In a standard curve used for quantitative analysis, what is plotted on the X axis and Y axis?
Estimated total blood volume for a 70 kg adult is approximately?
Which metric is defined as TP divided by (TP plus FN)?
Alkaline phosphatase (ALP) optimum pH is typically around:
Which set represents hepatocellular injury markers?
Increased renin production is typically associated with which initial blood pressure state?
Which factor inhibits growth hormone secretion?
In hyponatremia, plasma osmolality is typically:
Which plastic is used for alkaline storage?
What is the product formed in the phosphate determination using the Fiske Subbarow method?
In drug transport, which protein predominantly binds drugs under acidic conditions?
Amylase normalization in acute pancreatitis occurs typically within which time frame?
Which molecule is an organic coenzyme?
Which lipoprotein density range is 0.93 to 1.006?
What is the primary purpose of antiglycolytic agents in blood specimens used for glucose testing?
Ostwald Folin transfer pipets are described as having which characteristic?
Which set of changes is characteristic of uremia?
What is the peak time after intravenous administration for digoxin?
What is the bone crystal name in mineralized bone?
Which reagent is used to stain CSF for protein analysis in electrophoresis?
RAUI measures thyroidal uptake of iodine after an oral dose of which isotope?
Which apolipoprotein serves as the remnant receptor ligand recognizing chylomicron and VLDL remnants for hepatic uptake?
During IV sampling, how long should the IV be turned off and how much first sample should be discarded?
Which buffer is used for acidic conditions in electrophoresis?
Which chemical inhibitor is specific for the Bone isoenzyme?
In the provided notes, Six Sigma is applied to achieve what?
Enzyme denaturation is usually observed at which temperature range?
In this material, the F-test is defined as the ratio of which two statistics?
What is the NCEP goal for HDL cholesterol?
Which vitamin is known to interfere with some immunoassays when taken in excess?
In a Lineweaver–Burk plot, a competitive inhibitor shows which change in Vmax and Km?
Which pair of agents is associated with hypokalemia due to intracellular potassium shift by increasing Na+/K+ ATPase activity?
In primary hypothyroidism, which pattern best matches TSH, FT4, TT3/TT4, and T3 uptake?
NDML stands for neonatal diabetes mellitus.
HbA1c diagnostic criterion requires the value to be met on how many occasions?
Which chemical inhibitor inhibits Placental, Intestinal, Regan, and Nagao isoenzymes?
The expression for osmotic concentration relative to a reference is called?
In LDL homogeneous assay, which component is measured enzymatically after separation?
Which statement best describes the three requirements for a standard curve?
The Ferriman-Gallwey Scale is used to grade which clinical feature?
Which urinary metabolite is the end product of metabolism for both epinephrine and norepinephrine?
Increased breakdown of albumin is seen in which condition?
Which instrument is used to measure NADPH in the reference method?
Niacin deficiency results in Pellagra. Which of the following best describes Pellagra?
The T-test formula described uses the difference between means as its numerator. Which expression represents this?
Which adrenal cortex zone primarily secretes cortisol?
Approximately what percentage of testosterone is bound to albumin?
Lead exposure can occur via which routes?
A patient specimen shows increased pCO2, decreased pO2, and decreased pH. This pattern is most consistent with:
Amiodarone is classified as which type of antiarrhythmic?
What term describes the drug concentration range between the minimum effective concentration and the minimum toxic concentration?
Which anticoagulant is preferred for ABG analysis?
Which sugar is non-reducing?
Which counter type is typically used for gamma-emitting isotopes like I-125 and I-131?
Which calcium measurement method is categorized as colorimetric?
Which trace element tends to bind sulfhydryl groups in proteins?
Which is the reference method for amylase determination?
Which of the following is NOT listed as a regulator of body water balance?
Which enzyme hydrolyzes triglycerides in circulating lipoproteins?
Primary bile acids are which?
In Homocystinuria, deficiency of which enzyme?
If the pH of a solution is higher than a protein's isoelectric point, the protein will carry what net charge?
Which method is used to separate and quantify catecholamine metabolites such as HVA and VMA in urine?
Hypernatremia associated with urine osmolality less than 300 mOsm/kg is most consistent with which condition?
Which cell type is primarily responsible for the liver's metabolic and synthetic functions?
Which method for ethanol measurement is described as enzymatic?
What is the ideal measurement time after collection for chemistry assays?
In linear regression, the y-intercept corresponds to which type of error?
Among proteins, which lipoprotein is most abundant?
In the standing plasma test, which finding indicates the presence of chylomicrons?
Osmolarity is expressed in which units?
Which elements are classic examples of water-reactive chemicals?
HbA1c level that indicates poor glycemic control is greater than what percent?
With a 1°C rise, pO2 changes by which percent?
What is considered the gold standard biomarker for acute myocardial infarction?
For catecholamine testing, which specimen type is described?
Which transporter pumps free cholesterol to lipid-poor HDL to form nascent pre-B HDL?
What is the approximate half-life of cocaine?
What is the product of inner deiodination of T4?
Thyrotoxicosis is associated with exposure to which trace element?
Which condition would increase the ionized fraction of calcium?
By what factor does BUN convert to urea?
Which protein is an acute-phase reactant?
Which organ is the first affected during hypoglycemia?
What color is produced in the Evelyn-Malloy color reaction?
The upper limit value of the cytocentrifuge speed range is which of the following?
In the Biuret assay for proteins, how many peptide bonds are required for a positive reaction?
Which analytical technique involves fragmentation and ionization of molecules for analysis?
In ABG analysis, a bicarbonate/carbonic acid ratio of less than 20:1 indicates:
Which apolipoprotein is predominantly distributed in HDL, chylomicrons, and acts as a LCAT activator?
Which two markers are used to diagnose insulinoma?
If data are skewed, which measure of central tendency should be used?
Positive displacement micropipettors are described as using which configuration?
Which method is considered the reference method for total protein measurement by nitrogen content?
Which formula defines Positive Predictive Value?
Which equation expresses absorbance in terms of percent transmittance?
What is another name for fluorometry?
Busulfan belongs to which class of chemotherapeutic agents?
Whole blood glucose concentration is lower than plasma by what percent?
What is the critical range for calcium?
Which micropipettor uses suction to draw liquid into the tip?
Which of the following is an example of a precipitating media used in HDL-C methods?
Air exposure of a specimen tends to cause which combined change?
Threshold limit value is the allowable exposure for an employee during an __ hour day.
Triglycerides provide energy primarily through conversion to which molecule?
In brain tissue, which marker is more abundant: CKBB or Aldolase C?
Which enzyme is NOT part of the enzymatic cholesterol method?
Which disease is primarily associated with elevated HVA and VMA in urine measured by HPLC?
Which LD isoenzymes decrease when stored at 4°C?
Which medium is used for size-based separation in electrophoresis?
The smallest endocrine gland secretes which hormone?
Euthyroid Sick Syndrome is also known as what?
Prolonged bedrest decreases which serum protein?
Which acids are graded as 2 in the laboratory severity scale?
What type of study is used to verify the accuracy of a new analytical method against a reference method?
Which enzyme category is known for introducing or removing double bonds (creating double bonds)?
What is the first step in method evaluation?
Which bilirubin form has higher CNS affinity, increasing the risk of kernicterus?
Hyperglycemic hormones are released at what plasma glucose level?
Pseudohyponatremia is a laboratory artifact related to which measurement method?
Which additive is used in coagulation testing tubes?
Which test differentiates neurogenic DI and primary polydipsia from nephrogenic DI?
Which technique separates proteins by migration in a pH gradient?
Which enzyme is not typically used as a secondary marker for obstructive jaundice?
What is the recommended butterfly needle length?
What is the most common cause of hypophosphatemia?
In gross hemolysis, which enzyme activity is most affected?
For artifactual or pseudohyperkalemia, which factor is a common laboratory cause?
Wetting agents or incorrect pH have what effect on unconjugated bilirubin?
Renal or post-renal azotemia is suggested by which pattern of BUN and creatinine?
Reference range for creatinine using the Jaffe method in males?
Which of the following is NOT a type of luminescence listed in the material?
A monoclonal gammopathy curve on electrophoresis is characteristic of which disease?
What instrument is used to measure rotor speed during centrifuge calibration?
Which Fredrickson type is most common?
A Poor SDI (Sigma Deviation Index) is indicated when SDI value exceeds what threshold?
In CLSI terminology, Type III water is used as Autoclave wash water.
Which lipid parameter is commonly measured in a basal fasting lipid panel?
The measuring electrode covering membrane for a pCO2 electrode is typically which material?
How long can serum be stored at room temperature before analysis?
What is the length range given for microwaves?
In the context of reference interval vs reportable range, which statement is correct about the reportable range?
Which enzyme is used in the enzymatic ammonia assay?
Arsenic has high affinity for which tissue, used for long-term exposure assessment?
Which statement correctly defines Negative Predictive Value?
Type 3a diabetes involves genetic defects for beta cells.
For a pH electrode, which is a valid option for the reference electrode tip?
Which hormone is produced by the pineal gland?
Bicarbonate accounts for approximately what percentage of total CO2 in blood?
Which substance is a classic unmeasured anion contributing to high anion gap metabolic acidosis?
What is the relationship between triglyceride levels and thyroidism?
Which of the following is a storage function of the liver?
Which reaction type characterizes the Oliver-Rosalki CK determination method?
Which ABG handling practice is recommended?
In Beer's Law, if the concentration doubles and the absorptivity and path length remain constant, what happens to absorbance?
Which mineral acts as a cofactor for more than 300 enzymes?
Which biomarker is commonly used as an index of overall renal function?
Which term is one of the 5S principles in Lean manufacturing?
In glucose measurement using glucose dehydrogenase, which cofactor is detected?
Which CK isoenzyme is the mitochondrial form?
Which test is used as a confirmatory test for adrenal insufficiency?
What does Multipoint refer to in kinetic assays?
Which of the following is NOT among the three most osmotically active particles in serum?
Which lipoprotein density range corresponds to LDL?
What is the most common treatment for Conn's syndrome?
Which hormone is higher in the late afternoon/PM due to diurnal variation?
Antiglycolytic agents are used if three tests are done in more than how many hours?
Which method is used as the reference method for enzymatic glucose measurement because it does not use hexokinase?
Dementia associated with dialysis is linked to which metal?
In flame photometry, which color corresponds to lithium emission?
The MDRD equation for estimating GFR uses which variables?
Which lab pattern describes secondary hyperthyroidism (all values elevated)?
Which condition presents with elevated T3 but normal T4 (T3 thyrotoxicosis)?
For every degree Celsius increase, the reaction rate approximately doubles? (temperature rule)
Deficiency of which vitamin leads to hemorrhage and bruising?
Congenital Minamata disease is caused by exposure to which metal?
Which method is described as cheap but insensitive for urea determination?
Liquid excess anticoagulant effect leads to which change?
Which enzyme is inhibited by antiglycolytic agents?
What is the reference range for TSH?
In the perfect correlation principle, what is the slope?
Which sequence correctly expands the PDCA cycle?
Which range defines Borderline High triglycerides?
Lead exposure inhibits which enzymes involved in heme synthesis?
Which of the following are two actions of human placental lactogen (hPL)?
In the AST determination using the MDH step, which enzyme is used?
Which expression correctly calculates osmolality from measured sodium, glucose, and BUN?
Elevated AFP in maternal serum screening is most commonly associated with which condition?
Which method is described as expensive and sensitive for urea determination?
Storing ALP at 4°C has what effect on measured activity?
Which drug requires whole blood for monitoring?
In the Free Thyroxine Index formula, T3U is divided by what value?
What is the recommended lancet length for newborns?
Which protein is associated with obesity as a marker in the material?
Which of the following is a naturally occurring opiate?
A positive difference corresponds to which directional shift?
After refrigeration, which LD isoenzymes remain active?
Which medium is used for charge-based separation in electrophoresis?
In the Fiske Subbarow phosphate assay, the UV measurement is performed at which wavelength?
An increased beta or an unusual band between alpha-2 and beta indicates which condition?
Which glassware is known for high thermal resistance due to its borosilicate composition?
Symptoms beginning of hypoglycemia occurs at which plasma glucose level?
Which compound is the other antiglycolytic agent besides sodium fluoride?
What is the main endogenous source of cholesterol?
Which detector is commonly used in GC/HPLC?
Which condition is NOT associated with elevated ammonia levels?
Which medication can cause hyperkalemia by decreasing renal potassium excretion?
Which is the most potent hallucinogen?
In the CK-coupled enzymatic method, which cofactor is used in the final reaction and measured by UV spectrophotometry?
What is the standard deviation index (z score) formula used in the lab?
Direct spectrophotometry of total bilirubin is measured at which wavelength?
For individuals with at least one risk factor, how often should screening be performed?
Ammonia is reported in which unit, distinguishing it from other NPN measurements?
Clark-Collip oxalic acid precipitation is used to precipitate calcium with which reagent?
For osmolality testing, which specimen is described as the best?
Which lipoprotein is the most atherogenic?
For individuals aged 20-29, what is the High Risk cut-off for total cholesterol?
In a pH electrode, what is the typical material used for the measuring electrode's covering membrane?
What is unique about scintillation counting compared with other luminescence methods?
What is the reference range for serum amylase?
Which substrate is associated with the King-Armstrong method for alkaline phosphatase measurement?
Which value represents the acceptable total error for triglyceride measurements under NCEP guidelines?
Derived formula of molarity is equal to
Which of the following is a fully synthetic opiate?
Tolbutamide is administered by which route in this context?
Which component is added by a Comprehensive Panel that is not part of the Basic Metabolic Panel?
Which amylase method is described as Saccharogenic and expressed in Somogyi units?
Which protein is NOT typically part of the alpha-2 globulin band in serum electrophoresis?
For secondary adrenal insufficiency, which stimulation test is used as a screening test?
Lucey-Driscoll Syndrome is due to which mechanism?
Severe vomiting and severe burns are associated with what change in chloride levels?
Which liver macrophages are part of the reticuloendothelial system?
Which regulator is released in response to increased plasma osmolality and acts on the kidneys to conserve water?
What is the formula for retention factor in chromatography?
Dry excess anticoagulant effect leads to which change?
Which instrument is used to measure monovalent ions via photometric techniques?
Which is described as the second vital buffer in the blood, acting as the principal buffer of red blood cells?
Which of the following describes polyacrylamide-based gel electrophoresis?
Which electrolyte primarily regulates the ATPase ion pumps?
Antiglycolytic agents prevent the decrease of which metabolite?
Which hormone is increased in primary hypothyroidism and decreased in primary hyperthyroidism?
What is the normal serum osmolality range (in mOsm/kg)?
Polarography and amperometry differ in that polarography measures current at which condition?
ACS Primary Standard purity level is typically what?
Which solutions are used for spectrophotometric calibration methods?
Which expression represents the FTI formula?
What fraction of extracellular fluid is intravascular (plasma)?
During pregnancy, which estrogen is primarily produced as a joint effort of mother and fetus, with fetal DHEAS needed by the placenta?
Which condition is a known stimulant of growth hormone secretion?
Prehepatic conditions include which of the following?
Which of the following is NOT one of the three basic separation techniques?
Venous blood glucose is typically how much lower than capillary or arterial blood?
In hyperlipoproteinemia, which plasma appearance is associated with high chylomicrons (CM)?
Inhibin A provides feedback to inhibit which anterior pituitary hormone?
According to the critical values list, what is the critical glucose range?
Which of the following is a cause of a high osmolal gap?
What is the DPMO (defects per million opportunities) for Six Sigma?
Which posture change is associated with hemodilution?
Hypernatremia caused by decreased water intake is seen in which groups?
What is the defining feature of monoclonal gammopathy on electrophoresis?
Which of the following is NOT a Dye Lake dye?
Which electrolytes are designated for volume and osmotic regulation?
Which trace element is classically associated with a garlic odor in poisoning cases?
Inverted A:G ratio is significant in which condition?
Which element has an atomic weight approximately 36?
Which equation is more commonly used to estimate glomerular filtration rate than Cockcroft-Gault and MDRD?
A CEA value greater than what threshold is typically associated with malignancy?
Which statement correctly describes lactic acidosis types?
What is the critical range for potassium?
Which statement is true about HbA1c testing methods based on the provided notes?
Kasahara isoenzyme is associated with which cancer?
For UV and visible light measurements, which material is commonly used for sample cells?
What is the reference range for serum T4 in females?
In the correlation of results, which expression defines the rate with respect to antigen concentration?
Which of the following are secondary markers for obstructive jaundice?
In normal serum, which LD isoenzyme predominates?
After precipitation or color method, which chelating agent is commonly used to separate calcium from dyes and reach endpoint color?
Six Sigma is applied primarily to achieve what?
Which of the following is a common support medium for electrophoresis?
If K2EDTA is collected before serum or a light-blue tube, which tests are erroneous?
Which two urinary metabolites are used to assess testosterone activity?
Which two hypothalamic nuclei store hormones released by the posterior pituitary?
In ethanol impairment, what is the second stage?
Which technique is more sensitive than fluorometry?
Subclinical hypothyroidism is best described by which pattern of TSH and FT4/TT3/TT4?
Which of the following is a measure of dispersion?
Which lyase is clinically significant?
Which value represents a Normal triglyceride level?
Night blindness is associated with deficiency of which vitamin?
CK-BB is primarily associated with which tissue type?
Mercury exposure is classically associated with Pink disease.
Which photodetector type requires no external voltage?
Altitude in feet at which blood volume decreases when collected?
Which of the following is NOT a continuum light source?
Which chemical inhibitor inhibits Bone and Liver isoenzymes?
What is the angle range for arterial puncture at radial and brachial sites?
Which tissue responds to oxytocin to promote lactation?
Which coenzyme is required for AST and ALT transaminase reactions?
What are the three steps in the 3-step precipitation method?
Which technique is the gold standard for drug testing?
Among the diurnal variation list, which hormone is highest in the morning?
In the 'Countercurrent' concept for chloride, which ion is listed?
What was the earliest method used for bilirubin determination?
Which statement best defines pharmacokinetics?
Nonfasting lipid analysis is acceptable for two analytes. Which pair are these two?
Which hormone is a regulator of calcium in the body?
In rapid screening methods for trace elements, the sample used is urine.
Oxyhemoglobin is corrected by determining its absorbance at which wavelength?
An SDI value of 2.5 indicates poor performance.
Which trisomy is NOT typically associated with decreased AFP in maternal screening?
Which non-protein nitrogen does not measure kidney function?
Panic values of hypoglycemia are defined as which plasma glucose levels?
Which ion activates creatine kinase as an enzyme cofactor?
Which urinary metabolite is measured by the Zimmerman Method using dinitrobenzene and yields a purple color?
Which term describes 'Any test on any sample at any sequence' in automation?
What is the stated exponent of the meter?
Heparinized plasma cannot be used in which two assays?
Elevated 17-hydroxyprogesterone is most characteristic of deficiency of which enzyme in congenital adrenal hyperplasia?
Which statement correctly describes Arrhenius acid-base theory?
Secondary bile acids include which?
Severe diarrhea is associated with chloride levels that are:
Calibration of the pO2 electrode requires which standard?
Bronze diabetes is associated with which condition?
Which of the following is not used in the evaluation of pheochromocytoma?
Which test is used mainly for monitoring long-term glycemic control?
What is the reported toxic daily dose of lead?
Inhibition by wheat germ lectin, which amylase isoenzyme is inhibited?
Which dye-binding reagent is most specific and precise for albumin measurement?
Which dye-binding reagent is used for total protein measurement?
Mild elevation is defined as which range of ULN multiples?
The endpoint of the titration corresponds to the formation of which fatty acid?
Which statement best describes Borosilicate, Aluminosilicate, and High Silica glass in laboratory use?
In laboratory workflow, which phase includes test selection and physician identification?
Which stage comes after euphoria in the ethanol impairment sequence?
Which test is primarily used for the diagnosis of diabetes?
Which of the following is a measuring pipet?
Which two enzymes help distinguish bone from liver disease when ALP is increased?
Which enzyme pattern is associated with hepatocellular liver injury?
Which specimens are commonly used for measuring HVA/VMA by HPLC?
Which MS technique is typically used for drug analysis?
Which foods are listed as BVCT (Banana, Vanilla, Coffee, Tea) affecting VMA/HMMA testing?
Transferrin is described as which type of protein?
If fertilization occurs, which hormone helps maintain the corpus luteum?
Which test is used to assess long-term glycemic control?
Major substrate precursor of adrenal cortex hormones?
Which statement about calcium distribution is true?
Which molecule is used as the membrane for the potassium-selective ion electrode?
For compliant diabetes patients, HbA1c should be tested how often?
Placenta: which effect regarding insulin?
What is the normal anion gap range when potassium is included?
Which metric is defined as the probability that a positive test result is actually a true positive?
What is the colored reaction product formed in the Reitman Frankel method (denoted as brown)?
Lactate dehydrogenase (LD) measurements are described as what kind of unit related to its subunit composition?
If a solution contains 3 equivalents of solute per liter, the normality is
In first-order enzyme kinetics, which statement is correct about limiting components?
What is the reference range for T3U?
Which statement about systematic errors is true?
Which HDL-C determination method is considered the gold standard?
Which term describes the ability of a substance to dissociate in water?
What is the critical pH range listed in the blood gas critical values?
What instrument converts electrophoretic separation into quantitative data?
Which test differentiates neurogenic DI from primary polydipsia?
FTI is a product of TT4 and which factor?
Which drug is classified as a long-acting barbiturate?
Among the diurnal variation list, which hormone is higher in the PM period?
Which BAC range corresponds to the euphoria stage?
For viscous samples, which pipetting mode is recommended?
Which of the following is NOT listed as a use of fluorometers in the source material?
Renal threshold for sodium excretion is typically between which values?
For every 1°C increase in temperature, the multiplying factor for pCO2 is:
Which Fredrickson Type corresponds to familial hypercholesterolemia due to LDL receptor defect (high LDL and total cholesterol)?
What fraction of extracellular fluid is interstitial?
Which statement accurately describes the Tanzer-Gilvarg CK determination method?
Which drug is a second-generation antiepileptic that does not require therapeutic drug monitoring?
In drug of abuse testing, which pairing is used for screening and confirmation?
Kernicterus risk is associated with bilirubin levels exceeding what value?
The measurement of 1,5-anhydroglucitol is reported in which unit?
In the Reinsch test, which color indicates mercury?
Which of the following is NOT an example of a protein hormone?
What is the standard path length of a cuvet in most spectrophotometers?
Normality can be expressed as which of the following?
Estimated total body water for a 70 kg male is approximately how many liters?
In hyperglycemia, the measured serum sodium concentration decreases by approximately how much for every 100 mg/dL increase in plasma glucose?
In the Lean 5S framework, what is the fourth S?
Which test assesses variability between two groups to evaluate precision?
Which light source covers the spectrum from ultraviolet to visible?
Which formula should be used to estimate osmolality when Na, Glucose, and BUN are expressed in mmol/L?
Moderate elevation of LD corresponds to which ULN range?
The syringe plunger contains trace elements due to the material; which elements are present?
Thiamine deficiency can cause which conditions?
In electrophoresis, B-VLDL travels with which lipoprotein?
Which technique is used as a reference method for HbA1c measurement?
Which sequence correctly lists the three stages of alcoholic liver disease?
In the enzymatic method for non-protein nitrogen, most components are measured by a decrease in absorbance at which wavelength?
Which method is used to determine total protein concentration using dye binding?
Which condition is a water balance-related cause of hyponatremia, including SIADH?
Which two endogenous markers are used to estimate glomerular filtration rate?
Which term describes the migration of large ions in electrophoresis?
In insulinoma, the expected lab pattern is insulin high, proinsulin high, C-peptide high, and B-hydroxybutyric acid low.
Physical properties that depend on relative concentration but not identity are called?
GDM is screened during which gestational window?
Which statement correctly matches the metabolic actions of epinephrine and cortisol?
Fluorometer sensitivity is how many times higher than that of a spectrophotometer?
What is the rapid screening method for trace elements?
Which statement is supported by the notes regarding osmolality testing?
Which enzyme tends to rise earliest in pancreatitis?
Which patient preparation is recommended for catecholamine testing?
Pituitary adenoma size is defined as microadenoma or macroadenoma. A microadenoma is defined as less than how many centimeters?
Which substrate is characteristic for alkaline phosphatase (ALP) in luminescent assays?
If solute volume is 4 mL and total volume is 20 mL, the dilution factor D equals
In flame photometry, which color corresponds to sodium emission?
Which material is used as the chloride-selective membrane in ion-selective electrodes?
What is the most common cause of secondary hyperaldosteronism?
Which enzyme esterifies free cholesterol inside nascent pre-B HDL to form mature alpha-HDL?
Calibration of the pH electrode requires which of the following?
Renal tubular acidosis typically presents with which acid-base disturbance and chloride status?
Niacin deficiency presents with Pellagra. Which vitamin is Niacin?
A BUN-to-creatinine ratio greater than 20:1 with an elevated creatinine level is most consistent with which type of azotemia?
What is the silicate concentration for Type 1 reagent water?
Not prone to false negatives is best described as which analytical property?
What are the two most common chromogens used in Trinder-type glucose assays?
Which measurement provides an estimate of glomerular filtration rate (GFR)?
Which statistical test is used to compare the means of two groups?
The most abundant lipids class, according to the material, is which?
Gradual loss of albumin is most associated with which condition?
Calcium and lithium ions in ion-selective electrodes use which type of membrane?
Which detection methods are used for glucose oxidase–based measurements?
HbA1c testing should be repeated every how many months for patients noncompliant with targets?
Which are the metabolic functions attributed to Thyroxine in metabolism?
Wavelength accuracy in spectrophotometry is assessed using which materials?
Which of the following are recognized contributors to potassium loss (LESS K)?
Which of the following is a cellulose derivative used as a support medium in electrophoresis?
Which set of enzymes is involved in interconversion of mature alpha-HDL subspecies?
Which molecule is the other organic coenzyme listed besides NAD/NADH?
In a verification study of a reference interval with 20 subjects, how many results should fall within the interval for acceptability?
Which instrument is used for the enzymatic ammonia determination?
One consequence of squeezing the puncture site during collection is which of the following?
In acute pancreatitis, amylase typically peaks at approximately how many hours after onset?
Lead exposure inhibits enzymes involved in which essential process?
What is the reference range for urine amylase?
What term describes the total range of wavelengths transmitted between two points?
Which item is described as the most basic pipet?
Which term describes the relationship of one quantity to another by division?
Which are the three steps in iron determination from transferrin?
Which HDL-C value is considered Desirable?
What is the heparin concentration in ABG collection per milliliter of blood?
In the context described, which parameter is the ion-selective electrode reading used to derive bicarbonate for the anion gap calculation?
What is the process of testing and adjusting an analyzer's readout for correlation with a standard called?
Which of the following are indications for capillary puncture?
In congenital adrenal hyperplasia, what hormonal pattern is typically observed?
Which bands are included in the general APR classification?
Electrophoresis is affected by which factors?
In the direct pathway of HDL returning cholesterol to the liver, which receptor mediates uptake of cholesteryl esters on hepatocytes?
Which of the following best describes the two items given in the notes?
What is the conventional unit for enzyme activity expressed as μmol per minute?
Approximately how many primordial follicles are present in neonates?
Which item from the HARDASS mnemonic is a drug that can contribute to normal anion gap metabolic acidosis when given?
Which precaution should be avoided prior to collecting a sample for ammonia measurement?
The F-test is considered significant if the ratio exceeds which threshold?
Which equation correctly represents the Lineweaver-Burk plot for enzyme kinetics?
With a 1°C rise, pCO2 changes by which percent?
Which MS technique is used for nonvolatile drugs?
Which diagnostic test is used for ADH deficiency?
Which method is used to separate bound T4 from its carrier?
Extra bands in plasma and hemolyzed serum during electrophoresis and their locations?
In flame photometry, which color corresponds to potassium emission?
What is used as the screening test for growth hormone excess?
Potassium levels in ectopic Cushing syndrome are typically:
Which of the following is an action of Angiotensin II?
Which electrolytes are designated for myocardial rhythm and neuromuscular excitability?
The chorion is composed of which two layers?
Which of the following are examples of automation systems?
Hyperprogesteronemia is associated with which menstrual outcome?
What is the critical range for pCO2 in arterial blood gas values?
Which lipoprotein has the lowest triglyceride content?
Which specimen is appropriate for measuring inorganic phosphate given diurnal variation?
Which diagnostic test is used for confirming GDM, DM, and impaired glucose tolerance?
What is the formula for percent transferrin saturation?
Prostaglandins are derived from which parent molecule?
Which apolipoprotein has main distribution in chylomicrons, VLDL, and HDL and functions as a structural component?
Partial immersion calibration pertains to which equipment?
Which statement correctly describes reflectance photometry?
Euthyroid with low TBG occurs in which situations?
Levels of standards are described as which set?
In tetany due to hypocalcemia, the calcium level is typically which of the following?
Postprandial glucose normalizes after how many hours following a meal?
How long should plasma and cells be separated after collection to minimize glycolysis effects?
What is the primary action of atrial natriuretic peptide on sodium?
Which condition is NOT associated with increased AFP?
Which biomarker serves as an early predictor of acute kidney injury?
Normal BUN-to-creatinine ratio is typically within which range?
Which biochemical marker is used to assess bone resorption in osteoporosis?
Which condition yields the highest elevation of alkaline phosphatase (ALP)?
What are the two broad categories of ammonia determination methods described?
How long can refrigerated serum samples be stored before analysis?
VLDL is faster than LDL in electrophoresis because VLDL is more negatively charged. True or false?
Which LDL-C determination method is a direct homogeneous assay that uses detergents?
What color is produced in the Jendrassik Groff color reaction?
Which single enzyme is commonly used as a marker of hepatic injury?
Which is a gamma globulin protein?
Conjugated proteins are composed of an apoprotein and what non-protein component?
Which enzyme category uses ATP in its reaction?
What are the two general methods for triglyceride measurement?
Panic values for pH are at which level(s)?
What is a urinary metabolite of progesterone?
What is the reference method for electrolytes?
Which Fredrickson Type represents Primary Triglyceridemia or Familial Endogenous Triglyceridemia (VLDL) with high TAG?
High-resolution protein electrophoresis separates proteins into how many bands?
Which of the following is listed as an amphetamine-like substance?
HDL precipitation requires triglyceride levels to be below what value for efficiency?
Which thyroid cells produce T3 and T4?
In the enzymatic determination of urea, what is produced when urea reacts with urease?
Which accelerator is used in the Jendrassik Groff method?
Which equation correctly represents the Henderson–Hasselbalch expression for pH in terms of bicarbonate and carbonic acid?
Among lipoproteins, which has the highest cholesterol content?
Which diffusion-based ammonia measurement method uses a membrane containing nonactin/monactin?
Fanconi-Bickel syndrome is associated with a defect in which transporter?
In clinical chemistry, NPN stands for?
The abbreviation VMA refers to which compound?
Which group of antibiotics is listed?
In the Porter-Silber test for hydroxycorticosteroids, which reagent is used and what color is observed?
Which of the following is NOT considered a DOWNTIME waste?
The solubility of a protein is lowest at its isoelectric point.
During pregnancy, after the first trimester, which structure is the major producer of progesterone?
Vancomycin administration may cause which syndrome?
In glucose oxidase-based enzymatic assays, hydrogen peroxide participates in the detection step by reacting with a chromogen to produce color. Which statement best describes this role?
Which plastic is autoclavable primarily for temperature tolerance?
Which tumor is associated with increased VMA and HVA due to dopamine involvement?
Indirect estimation of the free T4 in the blood is known as which index?
Normal arterial pH range is:
Highest elevation of LD is observed in which condition?
Elevated gamma-glutamyl transferase (GGT) is most associated with diseases of which organ?
Which copper reduction method is Benedict's variant that uses stabilizers such as citrate or tartrate?
What is the product formed in the Fiske Subbarow phosphate assay?
In spectrophotometers, which dispersive element provides linear wavelength dispersion?
Which element is considered a glucose tolerance factor in type 2 diabetes mellitus?
Which type of luminescence is produced by biological luciferin-luciferase systems?
Hyponatremia due to vomiting and diarrhea is due to which mechanism?
Triose phosphate isomerase is categorized under which enzyme class?
What percentage of total NPN is urea?
Metal fume fever is most strongly associated with inhalation of fumes of which element?
Which method is used for phosphate determination as described?
Which of the following is an example of a centrifugal analyzer?
Xanthine oxidase catalyzes the conversion of purines into which compound?
Which test is used to confirm hypoglycemia in the diagnostic workup?
What is the reference range for Free Thyroxine Index (FTI)?
Which instrument is typically used with colorimetric copper reduction methods such as Folin-Wu?
In a Water Loading Test with 20 mL/kg ingestion, what is the normal urine response?
The low-dose dexamethasone suppression test is used to distinguish Cushing's syndrome from which group?
In fluorescence polarization immunoassay, polarization is inversely related to the analyte concentration.
In the Cockcroft-Gault equation, which factor is applied if the patient is female?
For individuals aged 45 with more than one risk factor, how often is screening recommended?
What does HPLC stand for?
Which plastic is used for cryogenic purposes such as pipet tips and test tubes?
Which of the following is an example of a TC pipette?
Which sequence correctly orders reagent grades from purest to least pure?
Which markers are predominantly elevated in biliary obstruction?
Which factor can cause a false positive blood bhCG result?
Peak plasma concentration timing for digoxin after oral administration is typically about how many hours?
Which of the following is NOT listed as a common interference in Trinder-type glucose assays?
Laboratory error described as increasing sodium and potassium while decreasing chloride and bicarbonate would cause which effect on the calculated anion gap?
Ion selective electrodes have largely replaced which instrument?
What centrifugation speed range and time are standard for separating serum?
Which hormones are commonly tested in infertility workup?
Which conditions can cause high plasma osmolality, contributing to hypernatremia?
Which equation correctly estimates TIBC in ug/dL from transferrin measured in mg/dL?
Which distribution accurately describes magnesium in plasma?
In the Wacker/Forward LD assay, which conversion occurs?
The post-postanalytical phase covers which activity?
Which drug is used to treat hyperuricemia by inhibiting xanthine oxidase?
Which of the following are optical methods for protein measurement?
Conn's syndrome is another name for which disorder?
Which laboratory method is used to detect urinary estrogen via a color reaction and yields pink on a positive result?
Which enzyme in the enzymatic cholesterol method is responsible for producing hydrogen peroxide in the reaction sequence?
In congenital adrenal hyperplasia due to 17α-hydroxylase deficiency, which metabolite is reported as high?
What is the key rationale for using a 2-hour OGTT in diabetes screening?
Reye's syndrome is characterized by a threefold increase in which markers?
First abnormality and recovery seen in hyperthyroidism is which index?
Which condition involves tissue damage due to iron overload?
Which pair correctly describes the two common methods for measuring bicarbonate in clinical chemistry?
For impedance method of aspirin analysis, which anticoagulant is recommended?
What is the most common source of loss of linearity in a spectrophotometer?
Which molecule is formed when glucose is phosphorylated in the first step of glycolysis?
Which is an indication for arterial puncture?
Which protein is the primary carrier for basic drugs in plasma?
What is the normal albumin-to-creatinine ratio in mg/g?
Which pattern on electrophoresis indicates an acute inflammation/ Immediate response pattern?
What is the reference method and substrate for ACP measurement?
Which laboratory value is used to monitor long-term glycemic control in diabetes?
Which pressure primarily governs water movement between body compartments?
Which condition is typically associated with elevated T3 and T4?
Pronounced elevation of LD is defined as which multiple of the ULN?
The GLDH-coupled method for ammonia determination uses which cofactor with glutamate?
What percent of T4 is bound to albumin in circulation?
Which hormones characterize the first, second, and third trimesters, respectively?
What is the preferred specimen for most drug assays?
The half-life of delta bilirubin is approximately how long?
Which of the following is NOT listed as an indication that calibration is needed?
Which anticoagulant is used for enzyme testing?
Which two methods are used for transaminase determination?
An LDL-C of 150 mg/dL falls into which category?
Which hormones are said to perform gluconeogenesis and glycogenolysis?
What is the standard glucose load for the 2-hour OGTT in adults?
What bilirubin level constitutes a panic value for kernicterus?
In Kjeldahl nitrogen determination, which two reagents are essential for the digestion step?
Tacrolimus is approximately how many times more potent than cyclosporine?
In beta quantification, ultracentrifugation is used to remove which lipoproteins?
The F-test ratio is defined as the ratio of which quantities?
Methotrexate is an antineoplastic agent that destroys thymine.
Which are precipitation agents for protein turbidimetry?
What color does the oxidized chromogen quinoneimine impart in Trinder-type assays?
What is the reference method for measuring non-protein nitrogen (NPN) in clinical chemistry?
Water for higher purity techniques is designated as Special reagent water.
Gestational DI is caused by which mechanism?
Which enzyme is commonly elevated with skeletal muscle activity?
In hyperlipoproteinemia with high VLDL, which plasma appearance is typical?
What is the alternative for BUN enzymatic tests as sodium fluoride inhibits urease?
What is the most common clinical use of tumor markers in cancer management?
What is the formula for percent transmittance in spectrophotometry?
Which defect is associated with Gilbert Syndrome among hepatic B1 diseases?
Gross hemolysis can falsely elevate CK measurements due to the release of which enzyme?
In the high-dose dexamethasone suppression test, which pattern best distinguishes Cushing's disease from ectopic ACTH production?
Which enzyme is the best marker for alcoholism?
Elevated 11-deoxycorticosterone (11-DOC) is characteristic of deficiency of which enzyme in congenital adrenal hyperplasia?
Which statement best describes autoantibody association in type 1 diabetes?
In the Berthelot method for ammonia determination, which color is produced that is detected colorimetrically?
Hyponatremia due to increased water retention is commonly associated with which condition?
Which sequence correctly describes the four steps of Beta Quantification?
CK-MV is less than 6% and is associated with which CK isoenzyme?
Which mnemonic is associated with the random error concept?
Abetalipoproteinemia is caused by a mutation in which gene and results in absence of B-100 and B-48?
In the Modified Abell-Kendal method for serum cholesterol, what modification is used compared to the standard LB method?
Which lipoprotein is categorized as beta-lipoprotein?
Standard QC uses how many levels and how often?
Measured osmolality minus calculated osmolality is called what?
Which of the following is NOT a hallucinogen?
Compared to a weak acid, a strong acid has what pKa value?
Which statement correctly interprets the range 200-1000 rpm?
When should neonatal screening for congenital hypothyroidism be performed?
Which tumor increases both AFP and hCG?
Which speed value is exactly at the lower limit of 200-1000 rpm?
What is the conversion factor between International Units (IU) and nano katal (nkat)?
Enzymes with the same catalytic activity but different structures are called what?
Which lipoprotein has endogenous triglycerides as its major component?
Which instrument is used to measure divalent ions and trace elements via photometric methods?
Which statement about T3 production is correct?
Which luminescence technique uses ruthenium tris chelate as a substrate?
Pink disease is associated with exposure to which metal?
The venous anion gap typically falls within which range?
Which apolipoprotein acts as an inhibitor of lipoprotein lipase (LPL)?
Which of the following is also an indication for arterial puncture?
Which of the following is not one of the nutritional status markers listed?
How are air bubbles prevented during sample collection?
Which electrode is commonly used as a reference electrode in potentiometry?
Which of the following is a laboratory method used to measure magnesium?
The Albanese Lein colorimetric method is used to measure which analyte?
What is the reference method for HbA1c measurement?
In a calibration context, which statement best represents the relationship between unknown and standard samples?
Which Aldolase isoenzyme is predominantly found in skeletal muscle?
What is commonly used as the basis to identify a solute in GC/HPLC?
On a Lineweaver-Burk plot of 1/v versus 1/[S], what is the y-intercept?
Which placental hormone is primarily produced in the first trimester?
Which enzyme is a transferase used as a marker for liver disease?
Which method characterizes third-generation TSH assays?
What is the normal RAIU uptake at 24 hours?
Which component is part of the surface of lipoproteins?
Which pair best describes electromagnetic radiation?
ApoB100 main distribution and function?
Which paracrine regulator of insulin and glucagon is produced by delta cells of the pancreas?
Which urinary metabolite of cortisol is detected using the Porter-Silber Method with 2,4-DNPH and yields a positive yellow reaction?
In separation techniques, electrophoresis separates primarily by which property?
Absorbance formula as given?
What is the upper limit of the normal osmolal gap (mOsm/kg)?
What is the standard technique for pipetting aqueous solutions?
For osmolality determination, which specimen is listed in the material?
Andersen disease is due to deficiency of which enzyme?
Which are the forms of subacute thyroiditis?
Which components are used to calculate calculated osmolality?
Which electrolytes are involved in blood coagulation?
Which statement correctly describes steroid hormones?
Which element has an atomic weight of about 23?
In flame photometry, which color corresponds to barium emission?
The Zimmerman test for 17-ketosteroids uses which reagent, and what color indicates a positive result?
Which mnemonic stands for 'Sodium in, potassium out'?
1 mole NaCl equals how many osmoles when dissolved in water?
In a pO2 sensor, what are the correct materials for the cathode and anode?
Which markers are associated with hepatic detoxification function?
In Asia-Pacific BMI categories, obesity is defined as BMI greater than:
Which statements best describe two markers for congestive heart failure used clinically?
Delta bilirubin with black granules (lipofuscin) is characteristic of which disorder?
Delta checks in laboratory data are used to detect discrepancies between current and prior results in which two error categories?
Which enzyme is common to both enzymatic triglyceride measurement methods?
Which androgen is considered the most biologically active?
Which method is NOT used for apolipoprotein assays?
In the Ferric Reduction method, what are the colors of the reagents before and after reaction with glucose?
Hypernatremia caused by increased water loss can be due to which condition?
Which enzyme catalyzes the initial carboxylation of phosphoenolpyruvate with bicarbonate to form oxaloacetate in the described pathway?
Marker for bone resorption
Which pair of markers are used as the two natriuretic peptide markers for congestive heart failure?
What blank is used to correct absorbance due to reagent color?
Which biomarker is commonly used to predict prognosis in AKI and is listed as an early predictor?
For detecting pheochromocytoma, which metabolites are primarily measured?
Which enzyme is described as the smallest enzyme in this context?
What is the absorbance maximum for the Jendrassik Groff method?
ApoA4 main distribution and function?
In a Lineweaver–Burk plot, a non-competitive inhibitor shows which change in Vmax and Km?
What density and duration are used in ultracentrifugation for HDL-C isolation?
Diagnostic test for galactosemia measures activity of which enzyme in erythrocytes?
Type I and Type II water are used as which type of water in CLSI terms?
For whole blood, which approach can be used with slight modifications (pre-wetting first)?
In the pathway, which sequence best describes the conversion: DHEA to testosterone to estrogen?
How do osmolarity and osmolality differ in their denominators?
In polarographic glucose oxidase assay, to prevent reformation of oxygen from hydrogen peroxide, which substances are added?
Type 3c diabetes involves loss of pancreatic polypeptides.
In the Reitman Frankel transaminase assay, which reagent is used to form hydrazones?
Which signaling mechanism involves the hormone remaining bound to the adjacent target cell?
In flame photometry, which statement is true?
Which female hormone is present in males?
Which of the following is an example of a proliferation signal inhibitor?
Sweat chloride analysis can be quantified by which two methods?
Euthyroid with high TBG occurs in which situations?
What is the major cause of a trend in assay results?
Which of the following is NOT a sedative/hypnotic/CNS depressant listed?
Citrate tubes have an inversion exception of how many times?
Which of the following describes the four main classes of antiarrhythmic drugs?
What is the first and most important screening test for evaluating thyroid function?
Which condition is listed as a cause of hypernatremia due to increased intake or retention?
Which dye is most commonly used as a calcium-binding dye in spectrophotometric assays?
In the CPC-based calcium dye-binding assay, which additive prevents magnesium interference?
What percentage of testosterone is bound to SHBG?
Which protein binds PSA and is increased in Alzheimer's disease?
Plasma ACTH levels in ACTH-dependent Cushing syndrome are typically:
Dopamine, acting as a prolactin-inhibiting factor, inhibits the release of which hormone?
Which is an example of relative hyperproteinemia?
In the MDRD equation, how many variables are used?
What is considered a desirable VLDL level?
Which combination of anterior pituitary hormones is released in response to Thyrotropin-Releasing Hormone?
Which pairing correctly matches a cardioactive drug with its common indication?
Which statement best describes Wilson's disease in terms of copper metabolism and ceruloplasmin?
Which enzymatic creatinine method uses creatininase with peroxidase (POD) as part of the coupled reaction?
Which class of hormones is characterized by water-soluble solubility, no carrier, and a half-life of about 10-30 minutes?
In Step 2 of the 2-step GDM test, how many of the four time-point thresholds must be exceeded to diagnose GDM?
The SI prefix for 10^15 is which of the following?
What is the most common cause of a high osmolal gap in clinical samples?
What is the rpm for a horizontal head (swinging-bucket) centrifuge?
Slight elevation of LD corresponds to which ULN range?
Which test differentiates neurogenic DI from nephrogenic DI?
Which analyte increases when serum or plasma is stored at 4°C?
In the AST assay employing MDH, what is the reaction product?
Which vitamin is notably sensitive to light and should be protected from light during handling?
Which lipoprotein has the highest protein content?
What is the NCEP target for total cholesterol (TC) in mg/dL?
How is molarity defined?
Coenzymes that are tightly bound to the enzyme are called?
How often should semi-automated micropipettors be calibrated?
ADA HbA1c target for many adults with diabetes is less than what percent?
What is the relationship between Thyroid Hormone Binding Ratio and Thyroxine-Binding Globulin?
A flipped LD1/LD2 ratio occurs in which scenario?
LD6 (Alcohol dehydrogenase) is associated with which condition?
Which complication is listed as the most common in phlebotomy?
Which is listed as a function of proteins?
Which protein transports retinol (Vitamin A) in the blood?
Which hormone initially increases calcium and phosphate release after bone resorption and then excretes phosphate?
Which pattern best describes the immediate/acute-phase response on electrophoresis?
Which of the following is listed as an additional hypernatremia cause?
Which of the following is a calcineurin inhibitor?
Which hormone from the anterior pituitary stimulates the production of thyroid hormones?
Which statement correctly describes the structural difference between T3 and reverse T3?
Normal anion gap is influenced by which serum constituent according to the material?
For metanephrine testing to screen pheochromocytoma, which result is preferred?
In assay terminology, what describes the Endpoint measurement?
How many observations are required when calculating the standard deviation in the quality control context described?
Which condition shows decreased radioactive iodine uptake (RAIU) compared with other hyperthyroid conditions?
What type of feedback regulates oxytocin release during labor?
Which of the following is an action of vitamin D?
Normal range for serum osmolality is?
Which technique is typically categorized as potentiometry?
What is the most common cause of thyroid disease?
Which CK isoenzymes are described as heat sensitive at 60°C?
Approximately what percentage of testosterone is free in plasma?
Cocaine is described as a potent cardiac toxin that can cross the placenta and breast milk.
Which apolipoprotein is predominantly distributed in HDL and has a structural role?
What is the typical fixed-angle range used in fixed-angle centrifuges?
Appearance corresponding to triglyceride level around 350 mg/dL?
What is the silicate concentration for Type 2 reagent water?
What is the most important clinical application of electrophoresis?
Parkinson's disease has been linked to exposure to which trace element?
What is the rpm range for a cytocentrifuge used for cell counts?
Electrophoretic mobility: which lipoprotein shows alpha mobility?
Which enzyme converts T4 to T3?
What are two common methods for measuring enzyme activity?
Cholesterol is described as a secondary test for two functions; which results are correct?
What is the preferred duration for sitting or supine lying during phlebotomy?
When a pH value is not given, which measurements are used to determine acidosis or alkalosis?
Pompe disease is caused by deficiency of which enzyme?
Which method is the method of choice for continuous monitoring of ACP?
Which condition is explicitly described as salt-losing nephropathy contributing to hyponatremia?
What term describes a uniform mixture of solute and solvent?
What is the expected result of an overnight dexamethasone suppression test in primary hypercortisolism?
Which MS technique is commonly employed for IEM screening?
Which biomarker is the earliest enzyme elevated in acute myocardial infarction?
Which ALP isoenzyme is most heat stable and associated with lung cancer?
A negative difference is described as which directional shift?
Which of the following is considered the best single criterion for diagnosing diabetes by ADA?
In TLC, the retention factor (Rf) is calculated as which ratio?
Which tumor increases hCG only?
Diagnostic tests of hypoglycemia?
Macroenzyme 2 is bound to what?
Post-prandial ADA glucose goal is below what value?
What total cholesterol value is considered Desirable according to reference ranges?
T3 Uptake provides what kind of relationship to thyroxine-binding globulin (TBG)?
The indirect pathway of HDL cholesterol return to the liver involves CETP-mediated exchange. Which option best describes this pathway?
Which lipoprotein density range is 1.006 to 1.019?
Kinase enzymes belong to which category?
Which MS approach uses isotope dilution to quantify nonprotein nitrogens?
In an air displacement micropipettor, the tip is typically used with which piston configuration?
What is the purpose of adding LDH to the Walker/Karmen reagents?
Which minerals are involved in production and use of ATP from glucose?
In the colorimetric chemical method, LB yields which color product?
Which dispersive element yields non-linear dispersion and is used for higher frequency light?
Which reagent is used in the Zimmerman test for 17-ketosteroids?
Decreased creatinine clearance indicates which of the following?
Which of the following is NOT listed as ionizing radiation?
Which instrument is used for excitation by electromagnetic radiation?
Which counter type is typically used for beta-emitting isotopes such as H-3 and C-14?
Which of the following is NOT a method of bilirubin determination?
Elevation of alkaline phosphatase in obstructive bile duct obstruction is typically how many times ULN?
Which statement correctly describes catecholamines (tyrosine-derived amines) in terms of solubility and half-life?
A buffer is a mixture of which components?
LpX is associated with deficiency of which enzyme?
Bisalbuminemia and analbuminemia are inherited in which pattern?
What CRP level range defines low risk?
Which trace element is essential for DNA and RNA synthesis as a key cofactor?
Normal BUN-to-creatinine ratio but with elevated BUN and creatinine suggests which state?
Which LD isoenzyme is cold-labile?
During the 2-hour OGTT, how many blood draws are typically performed?
Main source of error in amylase determination?
Normal arterial pCO2 range is:
What are the three major electrolytes for osmolality (distinct from osmolarity)?
In kidney disease, BUN is high in blood and high in urine; in liver disease, BUN is low in blood with a BUN ratio less than 10:1.
Which BAC range corresponds to death?
Which statistic is used to confirm precision?
ACTH has which metabolic effects?
Which reagent is used to differentiate LD isoenzymes on gels?
Which of the following is a known contributor to hyperkalemia?
In a Cusum chart, which axis represents the run number?
In colligative property measurements, the freezing point changes by approximately how many degrees Celsius per osmole increase of solute?
Lipase levels in acute pancreatitis typically peak at about which time after onset?
ApoA2 main distribution and function?
Which glass releases alkali as described in the material?
Which amino acids contribute to protein absorbance at 280 nm?
In renal dysfunction, which statement best describes urine amylase and urine creatinine levels?
Which item is NOT listed as an analytical element in RECSQ?
What are the two major sources of ACP?
Which Aldolase isoenzyme is found mainly in white blood cells, liver, and kidney?
What are the two forms of chromatography?
TD pipets are calibrated with which liquid?
In Lean's application to clinical settings, 'Shorter STAT' refers to a desire to achieve what outcome?
In females, FSH primarily stimulates which processes?
Which of the following is a line source?
What are the reference ranges for total CK for men and women respectively?
What structure connects the hypothalamus to the anterior pituitary?
LDX corresponds to an LD isoenzyme found in which tissue?
Which equation correctly represents the Michaelis-Menten model for velocity v as a function of substrate concentration [S]?
The metabolic product marker for critical medical conditions is lactate above what value?
Which LD isoenzyme remains active after heat denaturation?
Which two drugs induce GGT?
In skeletal muscle, which marker is most abundant according to the given abundance order CK1 > AST > Aldolase > LD4,5?
In the refrigerator test pattern, which observation corresponds to No CLOT and Clear Plasma with Increased B band (Pattern 2a)?
Which is the best indicator of precision in a laboratory measurement?
Molality is defined as
Potassium concentration is approximately how many times higher inside cells than in extracellular fluid?
What is the normal range for 1,5-anhydroglucitol (1,5-AG)?
Which value represents the reference range for total bilirubin?
Which analyte is typically decreased in a hemolyzed sample?
In CQI, which belt level corresponds to project sponsors?
Which of the following is a reason discrete analyzers are named as such?
Triglycerides require fasting for how long to ensure accurate measurement?
Km is defined as substrate concentration at what fraction of Vmax?
Which term indicates the concentration change resulting from dilution with solvent?
Which lipoprotein is prothrombotic and homologous to plasminogen due to its Apo B-100?
Which analyte is commonly preserved by chilling the sample immediately after collection?
Capillary electrophoresis is best associated with which separation mechanism?
Riboflavin (Vitamin B2) deficiency commonly presents with which symptoms?
In Menke's disease, copper levels are low due to inability to absorb copper, resulting in ceruloplasmin deficiency.
Chemical storage should be organized according to which criterion?
Which plasma protein has the highest affinity for thyroxine (T4)?
In assessing CRP for CHD and stroke risk, how should samples be measured?
Dissolved CO2 in blood (H2CO3) is calculated as:
What is the difference called between calculated osmolality and measured osmolality?
Which is the most abundant prehormone of T3?
What is the molecular weight of alpha-2 macroglobulin?
One example of secondary hyperuricemia is which condition?
Which test is used to assess stray light in spectrophotometers?
It is the number of particles a molecule dissociates into when dissolved in a solvent.
A photodetector converts energy from which form to electrical energy?
Before a 2-hour OGTT, carbohydrate intake should be at least what amount for 3 days?
Which pairing correctly matches a testosterone disorder with its typical cause?
Which cell type is listed among liver tissue components as a non-parenchymal cell involved in extracellular matrix production?
In the triple marker screen, which pattern is characteristic of Trisomy 21?
Direct osmolality is measured by which instrument?
Macro-CK or IgG-bound CK1 is associated with an apparent increase in which CK isoenzyme?
What are the reference ranges for AST and ALT?
What is the maximum total error allowed for HDL-C measurements under NCEP guidelines?
Lp(a) density is similar to which lipoprotein?
Which adipokine is inversely associated with metabolic syndrome risk?
The limit of detection for CLIA is expressed as zeptomoles, equal to which exponent?
Cadmium exposure is associated with damage to which alveolar cells?
What is the standard formula for percent transmittance in spectrophotometry?
Which of the following lists the two methods of lactate determination described?
Which analyte is commonly protected from light during storage or handling?
Which lipoprotein is described as floating prebetalipoprotein with high cholesterol content?
Which immunoassay for thyroxine testing corresponds to a microparticle EIA with an ELISA sandwich format?
Which dye-binding reagent is most common for albumin measurement?
Deficiency of alpha-1 antitrypsin is associated with mutation in which gene?
In Tyrosinemia Type II, deficiency of which enzyme?
Which of the following is NOT a core component of lipoproteins?
GDM converts to DM within 10 years in approximately what percent?
Which two analgesics listed do not require therapeutic drug monitoring?
The two toxic effects associated with Aminoglycosides and Vancomycin are:
In scintillation counting, a crystal gamma counter is used to detect gamma-emitting isotopes such as which of the following?
Each 1% increase in HbA1c corresponds to an approximate rise in plasma glucose of how many mg/dL?
Which of the following is an essential amino acid?
Which estrogen is described as cardioprotective and involved in coagulation?
Creatinine and BUN are not increased until GFR decreases by about what percentage?
Which protein is an example of a tertiary structure?
In the Porter-Silber test for hydroxycorticosteroids, what color is produced when DNPH is used?
Which element has an atomic weight of about 40?
Which of the following is a correct statement about automatic micropipettors?
Initial control limits are established by analyzing controls over how many consecutive days?
In euthyroid sick syndrome, which hormone is elevated?
What are the phases of subacute thyroiditis in order?
Which enzyme has the highest circulating concentration?
What is the commonly accepted reference range for blood urea nitrogen (BUN) in mg/dL?
Which two agents are listed as bronchodilators?
Which acids are graded as 4 (Severe) in the laboratory severity scale?
What does PAGE stand for in electrophoresis terminology?
B-VLDL is seen in which hyperlipoproteinemia?
What is the chief female androgen?
Which condition causes a rightward shift of the simplified oxyhemoglobin dissociation curve?
Atomic absorption spectroscopy (AAS) features which of the following?
Which of the following describes Type 2 reagent water characteristics?
Which enzyme's decrease is clinically significant?
According to the rule of normality and molarity, which relation holds?
What is the reference range for the amylase:creatinine clearance ratio (SCUA)?
In addition to chloride, which anion serves as an enzyme activator?
Which method is the reference method for ethanol measurement?
Which biomarker is not an enzyme but rises earlier than CK-MB in AMI?
For CVA collection, how much initial volume should be discarded?
Which amino acid is listed as the most abundant protein in the body and used in many processes?
Which substance is used as the substrate when performing amylase activity assays?
Which of the following is a direct expression of Beer's Law relating absorbance to concentration and path length?
What is the reference method used for trace element analysis?
What is the reference range for fructosamine in umol/L?
Aluminosilicate glass is approximately how many times stronger than borosilicate glass?
For UV and IR spectral measurements, which material is commonly used for sample cells?
Which of the following is NOT a Dye Lake dye?
Which test provides an indirect measure of thyroxine-binding globulin (TBG)?
What is the most common cause of secondary adrenal insufficiency?
Transferrin formula
Which mnemonic corresponds to 'magnesium in, calcium out'?
Which dye-binding reagent is specific but interfered by hemolysis and bilirubin?
In alkaline electrophoresis, proteins migrate toward which electrode?
Elevation of alkaline phosphatase in bone tumors is typically how many times ULN?
In Henderson-Hasselbalch relation for bicarbonate buffering, pH equals pKa plus log of which ratio?
What is the typical angle used to detect scattered light in nephelometry?
Tangier disease is associated with ABCA1 mutation and very low HDL. Which condition is this?
Which two proteins are referred to as enzymatic carriers?
Intracellularly, which LD isoenzyme is more abundant?
Secondary hypergonadism is most commonly due to what?
Which type corresponds to Familial Dysbetalipoproteinemia?
Electrophoretic mobility: which lipoprotein shows pre-beta mobility?
Prerenal azotemia is suggested by which pattern of BUN and creatinine?
Which test is used as a screening test for primary adrenal insufficiency?
In target therapy for high-risk patients, which lipid parameter should be optimized?
Which hormone is produced entirely within the thyroid gland?
What is the stated lethal daily dose of lead?
What is the major cause of an outlier in assay results?
Which drug is hepatotoxic?
Which radioisotope is most commonly used in gamma counting and what is its approximate half-life?
Which cleaning method is listed as best for plastic and glassware?
Which form of vitamin D is considered inactive?
After obtaining the T3U value, what is the next test that can be performed?
Which statement identifies the least effective compensation for metabolic alkalosis?
Marker for bone formation
Which tumor increases AFP only?
Which marker measures very short glycemic control over about 1-2 weeks?
In gravimetric calibration, what solution and condition provide the most accurate standard?
Criggler-Najjar Type 1 is characterized by which UDPGT deficiency?
Which blank measures the absorbance of the sample?
Which markers are used to monitor for recurrence after breast cancer treatment?
In a standard diagnostic 2x2 table, what do the terms True Positives and False Positives refer to?
Blow-out (viscous) and Self-draining (non-viscous) describe which two pipette drainage characteristics, with BO and SD correspondences?
Which immunoassay type is heterogeneous and uses microparticles in a solid phase with enzyme-labeled antibodies?
Which tumor marker is associated with Lewis antigen status?
The Szasz assay for GGT uses which substrates?
Which lipase assay uses colorimetric detection with glycerol kinase and peroxidase?
Which proliferation signal inhibitor inhibits dihydroorotate dehydrogenase?
Which carcinoplacental alkaline phosphatase isoenzyme is inhibited by phenylalanine?
In the description of chloride balance notation, what is listed as the 'Counter' ion?
Which of the following is listed as a hyponatremia cause under 'Other causes'?
What is the recommended fasting duration for triglycerides and lipoproteins?
AST and ALT belong to which category in liver function testing?
Given magnesium’s role as a cofactor for over 300 enzymes, which statement best describes its impact?
Is 800 rpm within the specified cytocentrifuge speed range?
The conductimetric method for ammonia detection relies on which observable change?
In the presence of a competitive inhibitor, adding substrate will?
A spike of alpha-2 macroglobulin (A2) is most characteristic of which condition?
In flame photometry, which color corresponds to calcium emission?
The RST clotting time is limited to how many minutes?
In the colorimetric chemical method, the S reagent produces what color product?
The most common cause of hyperbilirubinemia is
In the Reinsch test, which color indicates arsenic?
Mature alpha-HDL returns cholesterol to the liver via two pathways. Which statement correctly describes these pathways?
During the follicular phase of the menstrual cycle, which sequence occurs?
Which molecule mediates cell adhesion and is involved in wound healing?
A noticeable error in indirect LDL estimation occurs when TAG exceeds what value?
Lactate produced in anaerobic glycolysis yields how many ATP per glucose?
According to the data, what is the approximate peak time window for Troponin I after myocardial injury?
What percent hemolysis corresponds to gross hemolysis?
How should a cortisol sample be collected for accurate measurement?
In time-domain detection of a double-beam spectrophotometer, how many detectors and choppers are used?
Which reagent is used in the colorimetric Jaffe method for creatinine determination?
Which electrophoresis pattern corresponds to chronic infection with a delayed response?
What is the current reference method for triglycerides?
Which immunoassay for thyroxine testing is indirectly proportional?
Which apolipoprotein is distributed in CM, VLDL, and HDL and has a structural role?
Which method is typically used for calcium determination by titration?
Which two analytes increase when serum is stored at room temperature?
Which type of error affects precision?
What color indicates the endpoint in the described precipitation/dye separation method?
Which compound is used to calculate bicarbonate in the anion gap calculation described?
In the simplified quality scheme, CQI primarily focuses on which activity?
Which process cycle is used in Six Sigma methodology?
Subclinical hyperthyroidism is best described by which pattern of TSH and FT4/TT3/TT4?
Continuous Monitoring/Kinetic assays are defined by which feature?
In the measurement of Total Iron Binding Capacity (TIBC), what is the purpose of saturating transferrin with ferric iron?
What is measured by a pCO2 electrode as CO2 is present in the sample?
Which glass is low thermal resistance and suitable for strong acids and alkali?
A flat gamma curve on serum protein electrophoresis is most closely associated with which condition?
What is the reference range for total protein in serum?
What is the standard tool used to assess random error in determination?
By how many fold is 24-hour urine free cortisol typically increased in primary hypercortisolism?
Which marker best reflects hepatic synthetic function?
A prediabetes risk factor includes a body mass index of 25 kg/m2 or higher.
What color is produced by the Jaffe reaction when creatinine reacts with the Jaffe reagent?
In enzymatic creatinine determination, the initial reaction with creatininase produces which compound?
The isoelectric point is the pH at which a protein has a net charge of what?
What is the reference range for ammonia in micrograms per deciliter?
If pseudocholinesterase is absent, what condition is expected?
In electrophoresis scatter, which pattern is associated with small particles?
Lipase elevation in pancreatitis remains high for about how long before normalization?
Which systems regulate water reabsorption in the kidney?
Creatinine constitutes what percent of NPNs?
Which substance is most commonly abused worldwide?
Neonatal jaundice is noted at how many days of life?
Which cell type secretes LH and FSH?
Phototherapy for neonatal jaundice decreases bilirubin by what percentage per hour?
What is the detection limit of a luminometer?
In the simplified quality scheme, QA is applied to how many analytic areas?
In spill cleanup, what is the first step?
Which stopping agent is used in the Jendrassik Groff method?
What is the pH range for Type 3 reagent water?
What is the main driving force of the bicarbonate-carbonic acid buffering system?
Which dye is used to stain lipoproteins?
Which infection decreases CRP?
Level of triglycerides that causes pancreatitis?
Density of B-VLDL is similar to which lipoprotein?
Molarity is defined as
Cushing's syndrome is also known as hyperadrenalism because it affects which adrenal zones?
Free PSA pattern relative to BPH and PC?
Which option is outside the cytocentrifuge speed range of 200-1000 rpm?
What is the free fraction percentage of T4 in plasma?
What is the first step in cerebrospinal fluid (CSF) analysis?
Levels of control are described as which categories?
Ketonuria contributes to hyponatremia by which mechanism?
The measuring electrode tip for a pH electrode is commonly made of which material?
When a standard curve has good linearity, what does y represent?
Which parameter represents proportional systematic error?
Which metabolite is the end product of dopamine metabolism?
Prealbumin serves as a transport protein for which hormone or molecule?
How is the Therapeutic Index calculated?
What is the major cause of a shift in assay results?
What happens to pCO2 and pH when air bubbles are present in the sample?
Isopropanol can be metabolized to which compound?
In questions, a highly sensitive and specific method is referred to as which type of method?
Which blood collection tube is sensitive to sunlight and should be protected from light for proper coagulation testing?
Which of the following is an aldose?
In PCOS laboratory assessment, which parameter most directly reflects circulating free androgen activity?
If you list both cytocentrifuge speed and osmolality specimen in a single statement, which would be correct?
Which enzyme is required to break down the muscle relaxants succinylcholine and mivacurium?
Which pattern best describes primary hyperthyroidism in terms of TSH, FT4, TT3/TT4, and T3 uptake?
Which item is included in RECSQ analytical elements?
In indirect calculation of LDL-C, which set of values is required?
A monoclonal gammopathy curve on electrophoresis most strongly suggests which disease?
Hers disease is due to deficiency of which enzyme?
Which combination represents the 4Fs risk factors for liver disorders?
Which method among the listed calcium measurement approaches uses atomic absorption spectroscopy?
Which marker is used to detect cerebrospinal fluid leakage?
In the ALT assay using pyruvate, what is the reaction product?
Hyperglycemic hyperosmolar nonketotic coma is most commonly associated with which type of diabetes?
In acidemia (acidosis), what happens to ionized calcium?
Which pairing correctly matches triglyceride appearance with approximate level?
Which stimulant is commonly used to treat narcolepsy?
Which condition corresponds to Cushing's syndrome due to autonomous adrenal cortisol production?
For therapeutic drug monitoring, which methods are used for screening and confirmatory testing?
The parameter associated with the cytocentrifuge in the notes is measured in which unit?
In the sodium level table, which condition is associated with high sodium?
Which method is colorimetric for potassium measurement?
Which compound is primarily produced as an androgen by the adrenal cortex?
Base ideal body weight used in Cockcroft-Gault for male and female before height adjustments is?
Which nondestructive method is used for determining organic compounds in lipoproteins, compared with destructive MS?
Mercury exposure routes include which of the following?
The SI prefix corresponding to 10^2, as listed in the material, is which?
Normal arterial pO2 range is:
Aspirin overdose commonly causes which acid-base disturbance?
Which hormone acts as a negative feedback signal to inhibit growth hormone secretion?
Which lipoprotein is the second most atherogenic?
Which of the following is an enzyme commonly measured in clinical chemistry?
In venous access procedures using transillumination, the distance to the vein is typically about how many inches?
Which formula defines Negative Predictive Value?
TC pipets are calibrated with which substance?
What percentage of T3 is produced directly by the thyroid gland?
In HDL-C measurement using precipitation or immunoassay capture, which component is targeted for removal or binding?
What is the reference method for therapeutic drug monitoring (TDM) and HbA1c measurement?
What is the electrophoretic order from cathode to anode?
In hereditary hemochromatosis, which pattern is expected on an iron panel?
The Renal Panel is BMP-like but with which specific changes?
Pipets by Design differentiate contain vs deliver. Which term corresponds to contain?
From most anodal to least, what is the order of amylase isoenzyme mobility?
Which of the following is a B1 hepatic disease?
Which of the following is a semi-synthetic opiate?
Which term describes the migration of small ions during electrophoresis?
Which plastic is used for graduated cylinders and centrifuge tubes?
Which hormone from the anterior pituitary stimulates milk production?
Kasha disease is a deficiency of which trace element?
The T-test formula used here uses which numerator?
Pipets by Design differentiate contain vs deliver. Which term corresponds to deliver?
Leucovorin rescue is used to rescue host cells when methotrexate is used.
Which enzyme catalyzes the iodination and coupling steps forming MIT/DIT and T3/T4 during thyroid hormone synthesis?
The Van de Berg modification of Ehrlich reagent adds what to the reaction as an accelerator?
Which plastic is autoclavable due to chemical and temperature resistance?
Which of the following is NOT listed as an early or late biomarker of AKI?
The amylase:creatinine clearance ratio (SCUA) is calculated as which formula?
In Step 1 of the two-step GDM screening, what 1-hour plasma glucose threshold prompts proceeding to Step 2?
In Friedewald estimation, VLDL in mg/dL is calculated as TAG divided by what factor?
Which element is associated with Minamata disease (mercury poisoning)?
What pre-treatment step is required before electrophoresis for CSF and urine samples?
In fluorometry, what is the typical angle between the excitation and emission monochromators?
In ultracentrifugation, which lipoprotein resides in the topmost layer?
In a standard diagnostic 2x2 table, the Positive and Negative rows refer to which concept?
Which type of silica glassware is considered best among three silica glassware options?
Which photodetector is noted for excellent linearity?
Which mediator is produced by the liver and mediates the action of growth hormone?
Which material is used for sample cells in the visible light region?
Which component of the simplified quality scheme is described as monitoring only precision?
Which enzymes are typically elevated in a space-occupying lesion in the liver?
CK-BB is elevated in which condition according to the material?
Which bone houses the pituitary gland?
Which statement best describes the diagnostic criterion for insulinoma/endogenous hyperinsulinism after fasting?
Gc-Globulin is also known as which protein?
Phosphate is usually measured as which form?
Which option is NOT a method of amylase determination?
Which of the following are cofactors in enzyme reactions?
Which of the following is a cause of hypokalemia due to gastrointestinal loss?
Which analytes are falsely elevated in ECO anticoagulants?
ApoB48 main distribution and function?
Which marker best reflects hepatic synthetic function?
Which option is NOT one of the three basic automation approaches?
Which test detects early renal complications in diabetes?
Which method uses UV-spectrophotometry for transaminase determination?
Which hormone is highest in the morning due to diurnal variation?
Which biomarker list is associated with Alzheimer's disease?
Which factor is listed as causing a rightward shift of the oxyhemoglobin curve by increasing metabolic activity?
Which statistic is used to confirm accuracy?
Which equation represents Planck's formula relating energy to frequency?
In a double-beam spectrophotometer, how many detectors are used and how many beam splitters are there?
How long can samples be stored at -20 C?
Which set of reagents correctly lists all reagents used in the Biuret method?
Panic pO2 value is at or below which threshold?
In laboratory terminology, a method with documented accuracy and precision is referred to as what?
Which of the following is a DOWNTIME waste?
Which MS technique is used for proteomics and microbial ID?
Which Fredrickson Type corresponds to Familial chylomicronemia (LPL deficiency)?
Which method for urea determination uses diacetyl monoxime (DAM) to produce a yellow diazine?
Which are two components of continuous flow systems?
If the hydrogen ion concentration [H+] is 1 x 10^-3 M, what is the pH?
Which hypothalamic releasing hormone stimulates the release of ACTH from the anterior pituitary?
Which protein is the primary carrier of retinol (Vitamin A) in serum?
The instrument principle used to determine oxygen saturation (O2SAT) in ABG analysis is:
What is the critical range for magnesium?
Which lipase determination method measures the rate of clearing by turbidity?
Which method is preferred for HbA1c determination?
In normal serum, what percentage of calcium is ionized?
What is the preferred sitting time for cholesterol testing?
What is the arterialization temperature used in the procedure?
Which of the following trisomies is NOT among those associated with decreased AFP?
Under alkaline conditions, which is the primary drug transport protein?
What is the normal osmolal gap range?
Type 1 diabetes mellitus is defined as IDDM with more than one autoantibody.
Fructosamine is indicated in which conditions?
In electrophoresis isoenzyme numbering, which isoenzyme is the fastest migrating?
In pregnancy, beta-hCG reaches its peak around which week?
Equivalent weight is calculated as
The measuring electrode buffer for a pH electrode is typically which salt solution?
Which technique is an amperometric method?
Which two hormones are produced by the adrenal medulla?
The Joint Commission requires laboratories to be accredited by how many organizations?
In a thyroid follicle, where are the follicular cells located relative to the colloid?
Nagao isoenzyme is associated with which cancer?
Gestational diabetes mellitus may convert to type 2 diabetes in 30–40% of cases within 10 years.
Which Aldolase isoenzyme is primarily located in brain tissue?
In chemical storage, acids should be stored separately from bases.
Which two proteins serve as markers for CSF?
Hypoprogesteronemia is associated with which outcome?
Which lipoprotein density is less than 0.93?
THBR stands for which term?
Two types of hypoglycemia and hours?
In cirrhosis, which laboratory pattern is typical?
Which LD measurement method is more common?
An alpha-1 flat curve on electrophoresis is associated with which condition?
Spectroscopy is categorized into two main groups. Which list correctly pairs examples for emission and absorption methods?
What is the most common point-of-care testing (POCT)?
What is the main difference between horizontal and fixed-angle centrifuge rotors?
Which term describes minimal complexity of instrumentation?
Nonfasting lipid analysis is acceptable for two analytes. Which is NOT among them?
In Cushing's disease, what is the pattern for plasma cortisol, ACTH, and response to high-dose dexamethasone suppression test?
In ectopic Cushing syndrome, what is the pattern for cortisol, ACTH, and high-dose dexamethasone suppression test?
Which statement correctly defines Positive Predictive Value?
Which chloride determination method uses coulometry-amperometry?
Which of the following is included as a measured analyte in a Basic Metabolic Panel?
Which metals can cross the placenta?
Which substance increases in the blood as a result of cigarette smoke exposure?
Compared with serum or plasma, whole blood glucose is typically lower by about what percentage?
What percentage of cholesterol is endogenous (liver) according to the material?
Which accelerator is used in the Evelyn-Malloy method?
What is the Diazo blank composition in the 3-diazo reagents setup?
The Kjeldahl method estimates protein content by measuring which element?
Abrupt loss of albumin is most commonly associated with which condition?
Which markers are used to monitor breast cancer therapy?
On semilogarithmic paper used in spectrophotometry, what is plotted on the y-axis?
Which electrophoresis pattern is associated with juvenile cirrhosis?
Which statement is true about acid strength and pKa in relation to strong and weak acids?
Which thyroid hormone is considered the inactive form?
Which test is used as a screening test for primary hypercortisolism?
What is the alkaline reagent provided in the Reitman Frankel reaction?
Calibration should be performed every 6-12 months.
Under CLIA, non-waived quantitative tests require how many control levels per day?
If 10% contamination with 5% dextrose occurs, the glucose reading can increase by how many mg/dL?
Coagulation QC is performed with how many levels and how often?
In LDL homogeneous assay, which two reagents are used and what are their roles?
Which of the following is a ketose?
Which term describes proteins that contain a non-protein prosthetic group?
On linear graph paper in spectrophotometry, what is plotted on the y-axis?
Electrophoretic mobility: which lipoprotein shows beta mobility?
Bioavailability is defined as the ratio of drug absorbed from the administered dose.
DPMO is most commonly associated with which quality framework?
Which term describes results used as legal evidence?
What is the absorbance maximum for the Evelyn-Malloy method?
In cholesterol transformation, which form is considered transformable cholesterol?
What is the SI unit of enzyme activity?
Which Fredrickson Type corresponds to Familial Dysbetalipoproteinemia (IDL, B-VLDL)?
The SI prefix for 10^18 is which of the following?
In the 3 diazo reagents setup, what is Diazo B composition?
Bisalbuminemia can lead to which clinical implication?
What is the FT3 reference range for females?
What is the free fraction percentage of T3 in plasma?
Intestinal alkaline phosphatase is more commonly seen in secretors of which blood groups?
According to NCEP goals, if CHD is present, the LDL-C target is:
ApoA1 main distribution and function?
In salting-out albumin procedure, high salt precipitates which fraction?
Which statement about random errors is true?
What is the arterial puncture angle for the femoral site?
Surface immersion calibration applies to which equipment?
Von Gierke disease (Type I glycogen storage disease) is due to deficiency of which enzyme?
What are the two specimens typically used for osmolality determination?
Renal tubular acidosis affects chloride by causing:
What is the electrophoresis order of ALP isoenzymes from most anodic to least anodic?
Which two instruments are used to quantify by precipitation of immune complexes?
Which odor is characteristic of cyanide exposure?
What is the maximum coefficient of variation allowed for LDL-C measurements under NCEP guidelines?
Which analyte commonly requires anaerobic transport to preserve its measured value?
Which lipoprotein contains the highest phospholipid content?
What is the critical pO2 value threshold?
Fructosamine is contraindicated in which condition?
Which protein remains negatively charged even in acidic pH?
What is the desirable LDL:HDL ratio?
Which type of bond predominates in the secondary structure of proteins?
Which liver function is affected last as hepatitis progresses?
In the chemical method using alcoholic KOH, what are the products?
Which enzyme pattern is associated with hepatobiliary (cholestatic) injury?
Sertoli cells produce which two substances?
In the Walker/Karmen method for AST determination, which substrate is used by the enzyme (MDH)?
The relationship between cholesterolemia and thyroid function is generally described as:
Impairment of which hormone/neurotransmitter is linked to higher drug dependency?
Which of the following is a planar chromatography method?
Albumin concentration is commonly measured by which dye-binding method?
Which is the most potent male androgen?
MODY stands for mature onset of Diabetes of the Young.
Which method measures turbidity by blocking transmitted light?
Magnesium concentration in red blood cells is approximately how many times higher than in plasma?
What creatinine value indicates completeness of a 24-hour urine collection?
What is the reference range for albumin in serum?
Beta-gamma bridging due to IgA is associated with which condition according to the material?
Which metal is associated with two diseases named Pink disease and Minamata disease?
Which drugs are considered first-generation antiepileptics that require therapeutic drug monitoring?
When pH is not directly measured, which method is commonly used to estimate pH in buffer systems?
Which method for glucose measurement uses hexokinase?
Which enzyme is NOT listed among the nine enzymes with macroforms?
What is the reference range for globulin in serum?
TBG levels depend on the levels of which substance?
Which two parameters are calibrated in centrifuge performance, and how frequently should calibration be performed?
Which hypothalamic releasing hormone stimulates growth hormone release from the anterior pituitary?
Uric acid is a product of catabolism of which purines?
Which enzyme reduces oxaloacetate to malate using NADH in the pathway?
Which option represents measures of central tendency?
Which cell type of the anterior pituitary gland secretes prolactin?
Which protein has the highest concentration in the alpha-1 band during electrophoresis?
According to the SIBICO mnemonic, which statement is true?
Which Fredrickson Type corresponds to Mixed Hyperlipidemia (CM and VLDL)?
Which tube type is used to obtain serum after clotting?

Clinical Chemistry Numericals Practice Test

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