Question # 16

A nurse is preparing to obtain a blood sample from a peripheral intravenous catheter that is infusing a continuous crystalloid solution. What is the correct sequence to minimize sample contamination and hemolysis?

Options:

A.

Stop the infusion, discard 1–2 mL, then draw the sample

B.

Draw the sample without interrupting the infusion

C.

Flush with 20 mL of saline, then immediately draw the laboratory specimen

D.

Remove the catheter and perform a new venipuncture for every blood draw

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