RN Physiological Adaptation NCLEX Questions Related

Review RN Physiological Adaptation NCLEX Questions related questions and content

The nurse is analyzing an electrocardiogram (ECG) rhythm strip on an assigned client. What should the nurse record as the client's PR interval?

  • A. 0.12 second
  • B. 0.20 second
  • C. 0.24 second
  • D. 0.40 second
Correct Answer: A

Rationale: Standard ECG graph paper measurements are 0.04 second for each small box on the horizontal axis (measuring time) and 1 mm (measuring voltage) for each small box on the vertical axis.