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Clinical Chemistry Part B
Example question:

(Answers are at bottom of page)

  1. A blood sample is left on a phlebotomy tray for four hours before it is delivered to the laboratory. Which group of tests could be performed with the least effect on the results?
    1. Glucose, Ns, K, CO2 content
    2. Uric Acid, BUN, creatinine
    3. Total and direct bilirubin
    4. CK, ALT, ALP, ACP
    5. Lactate and ammonia


Answers: 1. B