Rapid Ejection Phase of Cardiac Cycle
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Questions and Answers

What is the duration of the cardiac cycle at a heart rate of 75 beats per minute?

  • 1.5 seconds
  • 1 second
  • 0.5 seconds
  • 0.8 seconds (correct)

    • During atrial systole, what happens to ventricular pressure?

  • It remains constant
  • It increases slightly (correct)
  • It becomes zero
  • It decreases significantly

    • What happens to aortic pressure during atrial systole?

  • It increases gradually (correct)
  • It remains constant
  • It decreases slightly
  • It becomes zero

    • What happens to ventricular volume during atrial systole?

    <p>It increases slightly</p> Signup and view all the answers

    During the isometric contraction phase, what happens to ventricular pressure?

    <p>It increases significantly</p> Signup and view all the answers

    What happens to ventricular volume during the isometric contraction phase?

    <p>It remains constant</p> Signup and view all the answers

    During the rapid ejection phase, what happens to ventricular pressure?

    <p>It increases significantly</p> Signup and view all the answers

    What happens to aortic pressure during the rapid ejection phase?

    <p>It increases significantly</p> Signup and view all the answers

    During the rapid ejection phase, what happens to atrial pressure?

    <p>It decreases slightly</p> Signup and view all the answers

    What is the duration of the rapid ejection phase?

    <p>0.15 seconds</p> Signup and view all the answers

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