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






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






3. The general types of interference in atomic absorption spectrophotometry...






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






5. Isoenzyme assays are preformed to improve...






6. 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






7. A true statement about high performance liquid chromatography (HPLC) is that it...






8. Assay of transketolase activity in blood is used to detect deficiency of...






9. This applies to cryoscopic osmometry






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






11. A common cause of respiratory alkalosis is...






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






13. A spectrophotometer is being considered for purchase by a small laboratory. This specification reflects the spectral purity of the instrument






14. 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...






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






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






17. The principle of the occult blood test depends on the...






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






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






20. At a pH of 8.6 the gamma globulins move toward the cathode - despite the fact that they are negatively charged. What is this phenomenon called?






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






22. A reciprocal relationship exists between...






23. 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?






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






25. Blood received in the laboratory for blood gas analysis must meet these requirements






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






27. The fast hemoglobin fraction is...






28. 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...






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






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






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






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






33. The extent to which measurements agree with or approach the true value of the quantity being measured is referred to as...






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






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






36. This is a regulatory hormone.






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






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






39. Which percentage of total serum calcium is nondiffusible protein bound?






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






41. A technician is asked by the supervisor to prepare a standard solution from the stock standard. What is the glassware of choice for this solution?






42. What specimen preparation is commonly used to perform the alkaline phosphatase isoenzyme determination?






43. A breakdown product of hemoglobin is...






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






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






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






47. Detection of carriers of hereditary coproporphyria should include analysis of...






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






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






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






Can you answer 50 questions in 15 minutes?



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