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






2. This applies to cryoscopic osmometry






3. Regan isoenzyme has the same properties as alkaline phosphatase that originates in the...






4. This enzymes catalyzes the conversion of starch to glucose and maltose






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






6. The reason carbon monoxide is so toxic is because it...






7. A blood sample was received from the emergency room with a request for narcotic analysis. The request slip indicated that the patient (a known heroin addict) responded to naloxone administration. The serum was negative for morphine by EIA. What other






8. 4 mL of water is added to 1 mL of serum. This represents this serum dilutions






9. 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...






10. 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...






11. The Porter-Silber method (phenylhydrazine in alcohol and sulfuric acid) involves which part of the steroid molecule?






12. Turbidity in serum suggests elevation of...






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






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






15. A patient is admitted to the emergency room in a state of metabolic alkalosis.This would be consistent with this diagnosis?






16. Lithium therapy is widely used in the treatment of...






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






18. Serum and urine copper levels are assayed on a hospital patient with the following results: Patient Serum Cu: 58 ug/dL; Reference Value:70-140 ug/dL Patient Urine Cu: 83 ug/dL ; Reference Value: < 40 ug/dL This is most consistent with...

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






20. 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






21. Gel filtration chromatography is used to separate...






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






23. This elevates carboxyhemoglobin?






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






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






26. The function of the major lipid components of the very low density lipoproteins (VLDL) is to transport...






27. The nanometer is a measurement of...






28. 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...






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






30. 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?






31. A sweat chloride result of 55 mEq/L and a sweat sodium of 52 mEq/L were obtained ona patient who has a history of respiratory problems. The bestc interpretation of these results is...






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






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






34. The relative migration rate of proteins on cellulose acetate is based on...






35. The following bilirubin results are obtained on a patient: Day 1: 4.3 mg/dL Day 4: 2.2 mg/dL Day 2: 4.6 mg/dL Day 5: 4.4 mg/dL Day 3: 4.5 mg/dL Day 6: 4.5 mg/dL - Given that the controls were within range each day - what is a probable explanation for






36. The T3 resin uptake test is a measure of...






37. What substance gives feces its normal color?






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






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






40. 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...






41. The formula for calculating serum osmolality that incorporates a correction for the water content of plasma is...






42. 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...






43. 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...






44. How many grams of sodium chloride are needed to prepare 1 L of 0.9% normal saline?






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






46. This would be an example of a glucose-specific colorimetric method






47. This is a glycolytic enzyme that catalyzes the cleavage of fructose-1 - 6-diphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate






48. 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...






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






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