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






2. Beriberi is associated with deficiency of...






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






4. An Rf value of 0.5 in thin-layer chromatography means...






5. When taken by a euthyroid individual - oral contraceptives containing estrogens will have this effects on the thyroid function studies






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






7. A reciprocal relationship exists between...






8. This serum protein migrates with the beta-globulins on cellulose acetate at pH 8.6...






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






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






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






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






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






14. Cerebrospinal fluid for glucose assay should be...






15. High levels of which lipoprotein class are associated with decreased risk of accelerated atherosclerosis?






16. 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...






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






18. 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...






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






20. Specimens for blood gas determination should be drawn into a syringe containing...






21. Quantitation of NA+ and K+ by ion-selective electrode is more rapid than flame photometry because...






22. The following blood gas results were obtained: pH : 7.18 PO2: 86 mm Hg PCO2: 60 mm Hg O2 saturation: 92% HCO3-: 21 mEq/L TCO2: 23 mEq/L Base excess: -8.0 mEq/L The patient's results are compatible with...






23. 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)






24. This method employs a highly specific antibody to thyroxine






25. Enzymes used in the diagnosis of acute pancreatitis?






26. In electrophoresis of serum proteins - arifacts at the application point are most frequently caused by...






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






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






29. TSH is produced by the...






30. Pregnant women with symptoms of thirst - frequent urination - or unexplained weight loss should have this test performed?






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






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






33. Phenobarbital is a metabolite of...






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






35. In a double-beam photometer - the additional beam is used to...






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






37. This steroid is an adrenal cortical hormone






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






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






40. The electrophoretic pattern of a plasma sample compared with a serum sample shows a...






41. A 2-year-old child with a decreased serum T4 is described as being somewhat dwarfed - stocky - overweight - and having coarse features. Of the following - the most informative additional laboratory test would be the serum...






42. Zinc protoporphyrin or free erythrocyte protoporphyrin measurements are useful to assess blood concentrations of...






43. A patient is admitted with biliary cirrhosis. If a serum protein electrophoresis is preformed - these globulin fractions will be most elevated?






44. Amino acid associated with a sulfhydryl group






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






46. Nephelometers measure light...






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






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






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






50. 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







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