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






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






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






4. The formula for coefficient of variation?






5. If a drug has a half-life of 7 hours - how many doses given at 7-hour intervals does it usually take to achieve a steady state or plateau level?






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






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






8. 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...






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






10. 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






11. The glucose level in normal peritoneal fluid should be...






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






13. 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...






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






15. Nephelometers measure light...






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






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






18. Major actions of angiotensin II include...






19. Serum concentrations of vitamin B12 are elevated in...






20. In the sweat test - the sweating stimulant is introduced to the skin by application of...






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






22. In familial hypercholesterolemia - the hallmark finding is an elevation of...






23. Rickets is associated with deficiency of...






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






25. The test for adrenal cortical hyperfunction that has the greatest diagnostic sensitivity is measurement of...






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






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






29. A fresh urine sample is received for "porphyrins" or "porphyria" without further information or specifications. Initial analysis should include...






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






31. The enzyme present in almost all tissues that may be separated by electrophoresis into five components is...






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






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






34. Phenobarbital is a metabolite of...






35. Most chemical methods for determining total protein utilize this reaction?






36. 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...






37. This serum constituent is unstable if a blood specimen is left standing at room temperature for 8 hours before processing






38. The primary function of serum albumin in the peripheral blood is to...






39. This elevates carboxyhemoglobin?






40. If the correlation coefficient (r) of two variables is zero...






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






42. A chemiluminescent EIA...






43. Alkaline phosphatase Slight increase - Aminotransferase Marked increase - Aspartate aminotransferase Marked increase - Alanine gamma-glutamyl transferase Slight increase






44. In monitoring glomerular function - this test has the highest sensitivity






45. This disease is associated with the greatest elevation of lactate dehydrogenase isoenzyme 1?






46. The Henderson-Hasselbalch equation






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






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. The unit of measure for a standard solution is...






50. The anion gap is useful for quality control of laboratory results for...







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