Cardiac Output and Stroke Volume Quiz
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Questions and Answers

Which factor largely determines myocardial contractility?

  • Stroke volume
  • Heart rate
  • Cardiac output
  • Force with which the ventricles contract (correct)

    • What is the average cardiac output for the average person based on the given values?

  • 7 L/min
  • 4.9 L/min (correct)
  • 700 mL/min
  • 49 mL/min

    • What is the formal definition of preload?

  • Amount of tension applied to a muscle before contraction (correct)
  • Amount of tension applied to a muscle during contraction
  • Amount of tension applied to a muscle after contraction
  • Force with which the ventricles contract

    • What factors determine stroke volume?

    <p>Myocardial contractility, cardiac afterload, and cardiac preload</p> Signup and view all the answers

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