Phlebotomy Technician Practice Exam (NCPT/CPT)

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How long should be allowed for alcohol to dry prior to venipuncture?

  1. 15-30 sec

  2. 30-60 sec

  3. 1-2 min

  4. 5 minutes

The correct answer is: 30-60 sec

Venipuncture is the collection of blood sample from a vein for diagnostic or research purposes. When alcohol is applied on the skin before venipuncture, it helps to disinfect the area and prevent infections. However, it is important to allow the alcohol to dry completely before performing the venipuncture. Option A (15-30 seconds) may not be enough time for the alcohol to dry. While option C (1-2 minutes) and option D (5 minutes) may be too long and unnecessary. Option B (30-60 seconds) provides a sufficient amount of time for the alcohol to dry, ensuring the area is properly disinfected.

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