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Chemistry Certification
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Chemistry Certification
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25 Questions

1. A course of instruction is being planned to teach laboratory employees to correct simple malfunctions in selected laboratory instruments. In writing the objectives for this course - this would be most appropriate?

2. The following laboratory results were obtained: Serum Calcium: Increased - Urine Calcium: Increased - Serum Phosphate: Decreased - Urine Phosphate: Increased Serum Alkaline Phosphatase: Normal or Increased These results are most compatible with...

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

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

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

6. Estrogen and progesterone receptor assays are useful in assessing prognosis in...?

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

8. A low concentrarion of serum phosphorus is commonly found in...

9. Spectrophotometers isolate a narrow band pass by means of...

10. About 90% of phenytoin is excreted in the urine as...

11. To ensure an accurate ammonia level result - the specimen should be...

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

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

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

15. The formula for coefficient of variation?

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

17. A person suspected of having metabolic alkalosis would have these laboratory findings

18. 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...

19. 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...

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

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

22. 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...

23. This steroid is an adrenal cortical hormone

24. The expected blood gas results for a patient in chronic renal failure would match the pattern of...

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

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