Exam Guide

Capillary Blood Glucose: Gloves and Puncture Site

Health Assessment & Documentation · Question from the ATI PN Fundamentals 2023 Proctored Exam study set

Question: A nurse is preparing to collect a capillary blood specimen for glucose testing. Which actions should the nurse take? (Select all that apply)

Correct answers:

  • Apply clean gloves
  • Prick the side of the client's finger

Why this is the answer

Clean (nonsterile) gloves meet standard precautions for a capillary stick. Pricking the side of the fingertip avoids the denser nerve endings of the pad, reducing pain while still yielding adequate blood flow.

The bigger concept

Point-of-care glucose testing is a routine PN/VN skill with several small details that exams love: clean (not sterile) gloves, warm the hand to increase flow, puncture the side of the fingertip rather than the pad, wipe away the first drop if the facility protocol says so, and never squeeze or 'milk' the finger hard because tissue fluid dilutes the sample. Compare the result to the client's target range and report critical values immediately.

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