Cardiovascular Physiology Quiz
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Questions and Answers

What is the primary factor that determines cardiac preload?

  • Venous return (correct)
  • Aortic blood pressure
  • Peripheral vascular resistance
  • Heart rate
  • What is the term for the increase in cardiac output in response to increased venous return?

  • Bowditch effect
  • Frank-Starling effect (correct)
  • Heterometric regulation
  • Homeometric regulation
  • Which type of regulation is determined by the stretch of ventricular fibers in diastole?

  • Homeometric regulation
  • Heterometric regulation (correct)
  • Intrinsic regulation
  • Extrinsic regulation
  • What is the term for the load the heart experiences during contraction?

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

    Which of the following is NOT a factor that determines intrinsic regulation of the heart?

    <p>Peripheral vascular resistance</p> Signup and view all the answers

    What is the primary factor that determines cardiac afterload?

    <p>Peripheral vascular resistance</p> Signup and view all the answers

    Which type of regulation is determined by the heart rate?

    <p>Homeometric regulation</p> Signup and view all the answers

    What is the term for the effect of increased heart rate on cardiac output?

    <p>Bowditch effect</p> Signup and view all the answers

    Which of the following is an example of intrinsic regulation of the heart?

    <p>Frank-Starling effect</p> Signup and view all the answers

    What is the term for the regulation of cardiac output in response to changes in venous return and cardiac afterload?

    <p>Heterometric regulation</p> Signup and view all the answers

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