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






2. In competitive inhibition of an enzyme reaction the...






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






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






5. The direction in which albumin migrates (ie - toward anode or cathode) during electrophoretic separation of serum proteins - at pH 8.6 - is determined by...






6. 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...






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






8. At blood pH 7.40 what is the ratio between bicarbonate and carbonic acid?






9. The Henderson-Hasselbalch equation






10. In spectrophotometric determination - this is the formula for calculating the absorbance of a solution






11. 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...






12. 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...






13. Ninety percent of the copper present in plasma is bound to...






14. The main reason for suboptimal drug levels in therapeutic drug monitoring is...






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






16. Technical problems encountered during the collection of an amniotic fluid specimen caused doubt as to whether the specimen was amniotic in origin. This procedure would establish that the fluid is amniotic in origin






17. Which two conditions can "physiologically" elevate serum alkaline phosphatase?






18. Bioavailability of a drug refers to the...






19. A 9-month-old boy from Israel has gradually lost the ability to sit up and develops seizures. He has an increased amount of a phospholipid called GM2-ganglioside in his neurons - and he lacks the enzyme hexosaminidase A in his leukocytes. These findi






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






21. 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?






22. This is a characteristic shared by lactate dehydrogenase - malate dehydrogenase - isocitrate dehydrogenase - and hydroxybutyrate dehydrogenase?






23. 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...






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






25. The normal concentration of proteins in cerebrospinal fluid - relative to serum protein - is...






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






27. The biuret reaction for the analysis of serum protein depends on the number...






28. 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)






29. Stray light can be detected in a spectrophotometer by utilizing a...






30. This 2-hour postprandial glucose values demonstrates unequivocal hyperglycemia diagnostic for diabetes mellitus






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






32. A patient in her 33rd week of pregnancy is hospitalized with toxemia. Her doctor would like to deliver the baby early because the toxemia is becoming more severe. The baby's best chance of delivery without respiratory distress due to lung immaturity






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






34. Aminotransferase enzymes catalyze the...






35. One international unit of enzyme activity is the amount of enzyme that - under specified reaction conditions of substrate concentration - pH - and temperature - causes utilization of substrate at the rate of...






36. The enzyme that exists chiefly in skeletal muscle - heart - and brain; is grossly elevated in active muscular dystrophy; and rises early in myocardial infarction is...






37. Diagnostic specificity is defined as the percentage of individuals...






38. The following results were obtained in a creatinine clearance evaluation: Urine concentration 84 mg/dL Urine volume 1440 mL/24 hr Serum concentration 1.4 mg/dL Body surface area 1.60 m2 (average = 1.73 m2) The creatinine cle~trance in mL/min is...






39. Bile acid concentrations are useful to assess...






40. Measurement of the serum acid phosphatase is used to detect neoplastic disease of the...






41. Beriberi is associated with deficiency of...






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






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






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. 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...






46. The most heat labile fraction of alkaline phosphatase is obtained from...






47. A condition in which erythrocyte protoporphyrin is increased is...






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






49. 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...






50. An emphysema patient suffering from fluid accumulation in the alveolar spaves is likely to be in what metabolic state?