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Chemistry Certification

Subject : certifications
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The most consistent analytical error involved in the routine determination of HDLcholesterol is caused by...






2. This steroid is an adrenal cortical hormone






3. Kernicterus is an abnormal accumulation of bilirubin in...






4. Most automated blood gas analyzers directly measure...






5. A patient with hemolytic anemia will...






6. Clinical assays for tumor markers are the most important for...






7. Currently the most common method for specific identification and quantitation of serum barbiturates is...






8. A pH of 7.0 represents a H+ concentration of...






9. This condition does decrease activity of glucuronyl transferase result in increased unconjugated bilirubin and kernicterus in neonates






10. Malic dehydrogenase is added to the aspartate aminotransaminase (AST) reaction to catalyze the conversion of...






11. The anion gap is useful for quality control of laboratory results for...






12. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are both elevated in this disease






13. The anticonvulsant used to control tonic-clonic (grand mal) seizures is...






14. This is a regulatory hormone.






15. The formula for calculating the amount of moles of a chemical?






16. A true statement about high performance liquid chromatography (HPLC) is that it...






17. The expected blood gas results for a patient in chronic renal failure would match the pattern of...






18. Spectrophotometers isolate a narrow band pass by means of...






19. The presence of this isoenzymes indicates acute myocardial damage






20. Blood received in the laboratory for blood gas analysis must meet these requirements






21. The enzyme present in almost all tissues that may be separated by electrophoresis into five components is...






22. The regulation of calcium and phosphorus metabolism is accomplished by which gland?






23. A common cause of respiratory alkalosis is...






24. In amniotic fluid - the procedure used to detect Rh isosensitization is...






25. In the assay of lactate dehydrogenase - this product is actually measured






26. Upon development of a thin layer chromatogram for the drug analysis - all drug spots (including the standards) had migrated with the solvent front. The most probable cause for this would be...






27. Total iron-binding capacity measures the serum iron transporting capacity of...






28. Serum levels that define hypoglycemia in preterm or low birth weight infants are...






29. The following blood gas results were obtained: pH : 7.18 PO2: 86 mm Hg PCO2: 60 mm Hg O2 saturation: 92% HCO3-: 21 mEq/L TCO2: 23 mEq/L Base excess: -8.0 mEq/L The patient's results are compatible with...






30. Maple syrup urine disease is characterized by an increase in this urinary amino acids






31. Magnesium carbonate is added in an iron binding capacity determination in order to...






32. A 21-year-old man with nausea - vomiting - and jaundice has the following laboratory findings: Total serum bilirubin level: 8.5 mg/dL (normal - 0-1.0) Conjugated serum bilirubin level: 6.1 mg/dL (normal - 0-0.5) Urine urobilinogen: Increased Fecal u






33. About 90% of phenytoin is excreted in the urine as...






34. A person suspected of having metabolic alkalosis would have these laboratory findings






35. A blood gas sample was sent to the lab on ice - and a bubble was present in the syringe. The blood had been exposed to room air for at least 30 minutes. The following change in blood gases occurred...






36. In electrophoresis of proteins - when the sample is placed in an electric field connected to a buffer of pH 8.6 - all of the proteins...






37. Bromcresol purple at a pH of 5.2 is used in a colorimetric method to measure...






38. The following data were obtained from a cellulose acetate protein electrophoresis scan: Albumin area 75 units Gamma globulin area 30 units Total area 180 units Total protein 6.5 g/dL The gamma globulin content in g/dL is...






39. A 24-hour urine specimen (total volume = 1136 mL) is submitted to the laboratory for quantitative urine protein. Calculate the amount of protein excreted per day - if the total protein is 52 mg/dL.






40. The most specific enzyme test for acute pancreatitis is...






41. The most widely employed screening technique for drug abuse is...






42. Blood specimens for digoxin assays should be obtained between 8 hours or more after drug administration because...






43. The most common type of congenital adrenal hyperplasia associated with increased plasma concentrations of 17 a-hydroxyprogesterone and increased urinary excretion of pregnanetriol is...






44. Serum from a patient with metastatic carcinoma of the prostate was separated from the clot and stored at room temperature. The following results were obtained: Patient Reference Range Calcium: 10.8 mg/dL 8.8-10.3 mg/dL LD:420 U/L 50-150 U/L Acid phos






45. What substance gives feces its normal color?






46. Upon completion of a run of cholesterol tests - the technician recognizes that the controls are not within the two standard deviations confidence range. What is the appropriate course of action?






47. A patient with malabsorption receives 25 g of d-xylose orally; during the subsequent 5-hour period - the urine excretion of d-xylose is less than 3 g. This would indicate...






48. A serum sample for acid phosphatase determination is best prepared for room temperature storage by...






49. The most widely used support medium for electrophoretic separation of lipoproteins is...






50. Creatinine clearance is used to estimate the...