A test that determines the rate at which red blood cells settle in a long, narrow tube is a/an:

A) ESR.
B) PTT.
C) PT.
D) HCT.


A
Explanation:
A) Correct. This is an erythrocyte sedimentation rate blood test.
B) This is a partial thromboplastin time test on blood plasma.
C) This is a prothrombin time test on blood plasma.
D) Hct is hematocrit in which the percent of RBCs in plasma is determined.

Health & Biomechanics

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