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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. On immunoassays using enzyme-labeled antibodies or antigens: ___________ can be carried out with a spectrophotometer






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






3. Hydrogen ion concentration (pH) in blood is usually determined by means of these electrodes?






4. In the immunoinhibition phase of the CK-MB procedure...






5. A test request slip indicates that an acute porphyric attack is suspected clinically. Analysis should include...






6. Certain enzymes are activated to metabolize drugs as a result of another drug action. This is referred to as...






7. An increase in serum acetone is indicative of a defect in the metabolism of...






8. Detection of carriers of hereditary coproporphyria should include analysis of...






9. A carbonate salt used to control manic-depressive disorders is...






10. The definitive diagnosis of primary adrenal insufficiency requires demonstration of...






11. 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...






12. Most most likely to be ordered in addition to serum calcium to determine the cause of tetany?






13. An acid cleaning solution for glassware consists of...






14. Which percentage of total serum calcium is nondiffusible protein bound?






15. The urea nitrogen concentration of a serum sample was measured as 15 mg/dL (atomic weights: carbon = 12 - oxygen = 16 - nitrogen = 14 - hydrogen = 1). The urea concentration of the same sample - in mg/dL - is...






16. In automated methods utilizing a bichromatic analyzer - dual wavelengths are employed to...






17. The preparation of a patient for standard tolerance testing should include...






18. A psychiatric patient was experiencing sever depression - but responded to treatment with amitriptyline with no apparent side effects. A blood sample was sent to the laboratory for therapeutic monitoring. Which drug level would be MOST reflective of






19. The concentration of serum carotene is affected MOST by...






20. The most consistent analytical error involved in the routine determination of HDLcholesterol is caused by...






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






22. The greatest activities of serum AST and ALT are seen in...






23. This chemical determination may be of help in establishing the presence of seminal fluid






24. Given the following values:100;120;150;140;130;What is the mean?






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






26. Cocaine is metabolized to...






27. An electrode has a silver/silver chloride anode and a platinum wire cathode. It is suspended in KCl solution and separated from the blood to be analyzed by a selectively permeable membrane. Such an electrode is used to measure...






28. Amino acid associated with a sulfhydryl group






29. In electrophoresis of serum proteins - arifacts at the application point are most frequently caused by...






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






31. The biologically most active - naturally occuring androgen is...






32. A patient with type I insulin-dependent diabetes mellitus has the following results: Fasting blood glucose: 150 mg/dL (70-110 rng/dL) Hemoglobin A1c: 25% (6.0%-19.5%) Fructosamine: 3.0 mmol/L ( 2.0-5.3 mmol/L)






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






34. Thiis serum protein fraction is most likely to be elevated in patients with nephrotic syndrome?






35. Phenobarbital is a metabolite of...






36. The following laboratory results were obtained: Serum Calcium: Increased - Urine Calcium: Increased - Serum Phosphate: Decreased - Urine Phosphate: Increased Serum Alkaline Phosphatase: Normal or Increased These results are most compatible with...






37. These enzymes of heme biosynthesis are inhibited by lead






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






39. The identification of Bence Jones protein is best accomplished by...






40. Characteristic of the Bence Jones protein that is used to distinguish it from other urinary proteins is its solubility...






41. A patient has the following results: Patient Values : Reference Values: Serum iron 250 ug/dL 60-150 ug/dL TIBC 350 ug/dL 300-35O ug/dL The best conclusion is that this patient has...






42. The protein portion of an enzyme complex is called the...






43. Blood was collected in a serum separator tube from a patient who had been fasting since midnight. The time of collection was 7:00 AM. The laboratory test that should be re-collected is...






44. This diseases results from a familial absence of high-density lioprotein






45. Specimens for blood gas determination should be drawn into a syringe containing...






46. A cardiac glycoside that is used in the treatment of congenital heart failure and arrhythmias by increasing the force and velocity of myocardial contraction is...






47. A stool specimen that appears black and tarry should be tested for the presence of...






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






49. In a normal individual - injection of thyrotropin-releasing hormone (TRH) causes an increase in blood concentrations of this hormone






50. A 68-year-old man arrives in the emergency room with a glucose level of 722 mg/dL and serum acetone of 4+ undiluted. An arterial blood gas from this patient is likely to indicate...







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