Cardiac Cycle Phases Quiz
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Questions and Answers

What is the term for the phase of the cardiac cycle when the heart muscle contracts and pumps blood?

  • Stroke volume (correct)
  • Inotropic drugs
  • Dicrotic notch
  • Murmurs
  • Which event causes the dicrotic notch?

  • Ventricular relaxation while all valves are closed
  • A brief rise in aortic pressure when the aortic valve closes (correct)
  • The volume of blood pumped by the heart per minute
  • Ventricular contraction while all valves are closed
  • What do chronotropic drugs primarily affect?

  • Heart rate (correct)
  • Peripheral resistance
  • Blood volume
  • Contractility
  • Which term refers to abnormal heart sounds due to turbulent blood flow?

    <p>Murmurs</p> Signup and view all the answers

    What is the volume of blood pumped by the heart per minute known as?

    <p>Stroke volume</p> Signup and view all the answers

    How do inotropic drugs primarily affect the heart?

    <p>Contractility</p> Signup and view all the answers

    What term defines the volume of blood pumped by the heart per minute?

    <p>Cardiac output</p> Signup and view all the answers

    During which phase of the cardiac cycle does the heart muscle relax and fill with blood?

    <p>Diastole</p> Signup and view all the answers

    Which term refers to the phase of the cardiac cycle when the heart muscle contracts and pumps blood?

    <p>Systole</p> Signup and view all the answers

    What does the term 'cardiac cycle' refer to?

    <p>Complete sequence of events in one heartbeat</p> Signup and view all the answers

    Which term represents the complete sequence of events in one heartbeat?

    <p>Cardiac cycle</p> Signup and view all the answers

    What is specifically defined as the phase of the cardiac cycle when the heart muscle contracts and pumps blood?

    <p>Systole</p> Signup and view all the answers

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