Which of the following is a commonly used drug that can cause thrombocytopenia?
a. Warfarin
b. Aspirin
c. Ibuprofen
d. Heparin
ANS: D
Heparin is associated with drug-induced thrombocytopenia; this is called heparin-induced thrombocytopenia, and it can have serious thrombotic complications. Warfarin does not affect the platelet count. Aspirin and ibuprofen both effect platelet function.
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Which of the following is the vacuum blood collection tube of choice for glucose testing?
A. Gray-topped tube B. Purple-topped tube C. Light blue-topped tube D. Royal blue-topped tube
The optic nerve connects:
a. The retina to the brain b. The right eye to the left eye c. The cornea to the retina d. The thalamus to primary visual cortex
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A) Glucose B) Galactose C) Sucrose D) Fructose
For which of the following does the law mandate quality assurance and quality control by CLIA regulations?
a. All tests b. Non-waived tests c. Waived tests