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Question 12

A sensor over an artery detects a repeating pressure wave once for each heartbeat. What is that wave called?

  1. A pause in all blood movement
  2. A breathing cycle
  3. An arterial pulseCorrect answer
  4. A pressure wave made by veins alone

Explanation

Each ventricular contraction launches a pressure wave along the arteries, and that recurring wave is felt as a pulse. It is not a count of breaths, because its immediate source is the heartbeat rather than ventilation.

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Question 12: A sensor over an artery detects a repeating pressure wave… · Human Body Systems · Questena