NHA Certified Phlebotomy Technician (CPT) Exam

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A phlebotomist selects a 21-gauge needle for a routine venipuncture. What does the gauge number indicate about the needle?

A 21-gauge needle has a larger bore than a 23-gauge needle A 21-gauge needle has a smaller bore than a 23-gauge needle A 21-gauge needle is longer than a 23-gauge needle The gauge number refers to the length of the bevel

Correct Answer:

A 21-gauge needle has a larger bore than a 23-gauge needle

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