Question # 56

When drawing blood with a butterfly needle, why is a discard tube sometimes required before a coagulation test?

Options:

A.

To check if the vein is functional

B.

To clear air from the tubing and ensure correct blood-to-additive ratio

C.

To reduce hemolysis

D.

To mix anticoagulant more thoroughly

Viewing question 56 out of 72 questions
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