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Chemistry Certification
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Chemistry Certification
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25 Questions

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

2. 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...

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

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

5. A serum sample was assayed for bilirubin at 10 AM and the result was 12 mg/dL. The same sample was retested at 3 PM. The result now is 8 mg/dL. The most likely explanation for this discrepancy is...

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

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

8. The following five sodium control values (mEq/L) were obtained:140 - 135 - 138 - 140 - 142Calculate the coefficient of variation.

9. The most consistent analytical error involved in the routine determination of HDLcholesterol is caused by...

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

11. This wavelengths is within the ultraviolet rang.

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

13. 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...

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

15. In electrophoretic analysis - buffers...

16. The major fraction of organic iodine in the circulation is in the form of...

17. What substance gives feces its normal color?

18. In an internal standard flame photometer - the internal standard is used to...

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

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

21. 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...

22. 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...

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

24. In the assay of lactate dehydrogenase - this product is actually measured

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

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