Cardiovascular System Physiology: Cardiac Cycle Quiz
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Questions and Answers

What is the period of relaxation of the cardiac muscle named?

  • Atrial systole
  • Diastole (correct)
  • Ventricular systole
  • Systole
  • During Isovolumetric Contraction, do the aortic and pulmonary valves open?

  • True
  • Only pulmonary valve opens
  • Only aortic valve opens
  • False (correct)
  • What event occurs when the atria contract and push blood into the ventricles?

  • Ventricular ejection
  • Isometric ventricular contraction
  • Rapid filling
  • Atrial systole (correct)
  • Which phase of the cardiac cycle involves the closure of the mitral and tricuspid valves?

    <p>Isometric (isovolumetric) ventricular relaxation</p> Signup and view all the answers

    What happens to the ventricular muscle during isovolumetric contraction?

    <p>It shortens little</p> Signup and view all the answers

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