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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. Analysis of erythrocytes for uroporphyrinogen I synthetase detects...






2. A patient has signs and symptoms suggestive of acromegaly. The diagnosis would be confirmed if the patient had...






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






4. This elevates carboxyhemoglobin?






5. Serum anion gap is increased in patients with...






6. The buffer pH most effective at allowing amphoteric proteins to migrate toward the cathode in an electrophoretic system would be...






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






8. This lipid results would be expected to be falsely elevated on a serum specimen from a nonfasting patient






9. Respiratory acidosis is described as a(n): ______ increase in CO2 decrease in pH






10. In the atomic absorption method for calcium - lanthanum is used...






11. Ion selective electrodes are called selective rather than specific because they actually measure the...






12. 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...






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






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






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






16. A course of instruction is being planned to teach laboratory employees to correct simple malfunctions in selected laboratory instruments. In writing the objectives for this course - this would be most appropriate?






17. The buffering capacity of blood is maintained by a reversible exchange process between bicarbonate and...






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






19. Most drugs and intracellular metabolites measured by radioimmunoassay have molecular weights between 200 and 1000 and can be made immunogenic by...






20. The method of choice for diagnosis of a protracted attack of porphyria is...






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






22. A 45-year-old woman has a fasting serum glucose concentration of 95 mg/dL and a 2-hour postprandial glucose concentration of 105 mg/dL. The statement that best describes this patient's fasting serum glucose concentration is...






23. The serum glucose concentration of a diabetic patient undergoing a 2-hour glucose tolerance test should return to the baseline (fasting level) after a minimum of...






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






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






26. An electrophoretic separation of lactate dehydrogenase isoenzymes that demonstrates an elevation in LD-l and LD-2 in a "flipped" pattern is consistent with...






27. In the liver - bilirubin is converted to...






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






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






30. The methodology based on the amount of energy absorbed by a subtance as a function of its concentration and using a specific source of the same material as the substance analyzed is...






31. Serum haptoglobin...






32. When separating serum proteins by cellulose acetate electrophoresis using veronal buffer at pH 8.6 - beta globulin migrates...






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






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






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






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






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






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






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






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






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






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






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






44. Major actions of angiotensin II include...






45. 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?






46. The most important buffer pair in plasma is the...






47. 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...






48. 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...






49. 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






50. Fluctuation of the needle on a coulometric type titrator is most probably due to...






Can you answer 50 questions in 15 minutes?



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