A blood test performed on whole blood to determine the percentage of RBCs in the total blood volume is:

A) RBC.
B) WBC.
C) Hct.
D) PTT.


C
Explanation:
A) RBC is a red blood cell count.
B) WBC is a white blood cell count.
C) Correct.
D) PTT is partial thromboplastin time, a test on plasma.

Health & Biomechanics

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