Phlebotomist Exam Prep

Category - Puncture & Draws

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Which of the following POCT devices is the only test that requires NOT wiping the first drop of blood away, before collecting the capillary specimen?

Blood glucose monitor.
Blood gas analyzer.
Blood coagulation monitor.
Hemoglobin system.

Explanation

Answer: C - Many blood coagulation monitor devices instruct to not wipe away the first drop of blood after a puncture for capillary blood. The first drop of blood is considered rich in clotting factors as well as fluid from soft tissue. Blood coagulation monitors can measure the PT and APTT in three minutes.

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