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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. Assay of transketolase activity in blood is used to detect deficiency of...






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






3. Enzymes used in the diagnosis of acute pancreatitis?






4. 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...






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






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






7. An automated method for measuring chloride that generates silver ions in the reaction is...






8. The following five sodium control values (mEq/L) were obtained:140 - 135 - 138 - 140 - 142Calculate the coefficient of variation.






9. Acidosis and alkalosis are best defined as fluctuations in blood pH and CO2 content due to changes in...






10. Unless blood gas measurements are made immediately after sampling - in vitro glycolysis of the blood causes a...






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






12. A fasting serum sample from an asymptomatic 43-year-old woman is examined visually chemically with the following results: Initial appearance of serum: Milky Appearance of serum after overnight refrigeration: Cream layer over turbid serum Triglyceri






13. When the exact concentration of the solute of a solution is known and is used to evaluate the concentration of an unknown solution - the known solution is...






14. The chemical composition of HDL- cholesterol corresponds to...






15. A one MOLAL solution is equivalent to...






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






17. In the Jaffe reaction - creatine reacts with...






18. The ability of a procedure to measure only the component(s) it claims to measure is called...






19. 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...






20. Turbidity in serum suggests elevation of...






21. The osmolality of a urine or serum specimen is measured by a change in the...






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






23. A patient had the following serum results: Na+ 140 mEq/L K+ 4.0 mEq/L Glucose 95 mg/dL BUN 10 mg/dL Which osmolality is consistent with these results?






24. A blood creatinine value of 5.0 mg/dL is most likely to be found with this blood value?






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






26. Given the following results: Alkaline phosphatase Marked increase Aminotransferase Slight increase Aspartate aminotransferase Slight increase Alanine gamma-glutamyl transferase Marked increase This is most consistent with...






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






28. The formation of estriol in a pregnant woman is dependent on...






29. A reciprocal relationship exists between...






30. The fast hemoglobin fraction is...






31. In respiratory acidosis - a compensatory mechanism is the increase in...






32. In using ion-exchange chromatographicbmethods - falsely increased levels of Hgb A1c will be demonstrated in presence of...






33. The following data were obtained on amniotic fluid from a gestation of 36 weeks' duration by menstrual dates: L/S = 2 Phosphatidyl glycerol not present This can be concluded from these data?






34. 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






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






36. A patient with myeloproliferative disorder has the following values: Hgb = 13 g/dL Hct = 38% WBC = 30 x 10^3/uL Platelets = 1000 x 10^3/uL Serum Na+ = 140 mEq/L Serum K+ = 7 mEq/L The serum K+ should be confirmed by...






37. The first step in analyzing a 24-hour urine specimen for quantitative urine protein is...






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






39. 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






40. 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






41. A thick white turbid specimen was received in the laboratory labeled as pericardial fluid. A microscopic examination was performed - and the differential included 90% PMNs. The fluid is...






42. An HPLC operator notes that the column pressure is too high - is rising too rapidly - and the recorder output is not producing normal peaks. The most probable cause of the problem is...






43. This enzyme substrates for prostatic acid phosphatase determination results in the highest specificity






44. Sixty to seventy-five percent of the plasma cholesterol is transported by...






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






46. The hemoglobin that is resistant to alkali (KOH) denaturation is...






47. When myocardial infarction occurs - the first enzyme to become elevated is...






48. A critically ill patient becomes comatose. The physician believes the coma is due to hepatic failure. The assay most helpful in this diagnosis is...






49. Calcium concentration in the serum is regulated by...






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