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HMS, BM EQ-Bank 332 MC

During a training session, an athlete experiences an increase in stroke volume. Which of the following best explains this physiological response?

  1. The number of times the heart beats per minute has increased
  2. The volume of blood pumped per beat of the heart has increased
  3. The amount of oxygen the lungs can absorb has increased
  4. The amount of blood circulating through the body has increased
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\(B\)

Show Worked Solution
  • B is correct: Stroke volume is blood pumped per heartbeat

Other Options:

  • A is incorrect: This describes heart rate, not stroke volume
  • C is incorrect: This describes oxygen uptake, not stroke volume
  • D is incorrect: This describes blood volume, not stroke volume