The Heart And Its Function

83 Questions | Total Attempts: 76

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Heart Quizzes & Trivia

Being able to note difference or an abnormality in a heart can make the difference between life and death. Being that you are a cardiovascular student you must know what a normal functioning heart looks like and how to make an unhealthy one, healthy. Take this quiz on the heart and its function to see just how much you know. All the best!


Questions and Answers
  • 1. 
    Increase in the strength of myocardial contraction that occurs without stretching the heart
    • A. 

      Positive inotropic effect.

    • B. 

      Cardiac reserve

    • C. 

      Stroke volume

  • 2. 
    Increase in the strength of myocardial contraction that occurs when the heart is· stretched
    • A. 

      Heart rate

    • B. 

      Cardiac cycle

    • C. 

      Starling's law of the heart

  • 3. 
    Phase of the cardiac cycle that refers to contraction of the heart muscle
    • A. 

      Diastole

    • B. 

      Systole

    • C. 

      Heart rate

  • 4. 
    Sequence of events that occurs in the heart in one beat
    • A. 

      Cardiac reserve

    • B. 

      Cardiac cycle

    • C. 

      Cardiac output

  • 5. 
    Beats/min
    • A. 

      Cardiac cycle

    • B. 

      Cardiac output

    • C. 

      Heart rate

  • 6. 
    Coronary blood flow is greatest during this phase of the cardiac cycle
    • A. 

      Systole

    • B. 

      Heart rate

    • C. 

      Diastole

  • 7. 
    Determined by heart rate x stroke volume
    • A. 

      Cardiac output

    • B. 

      Cardiac reserve

    • C. 

      Cardiac cycle

  • 8. 
    Amount of blood pumped by the heart in 1 minute
    • A. 

      Cardiac output

    • B. 

      Cardiac cycle

    • C. 

      Cardiac reserve

  • 9. 
    70mL/bea
    • A. 

      Cardiac reserve

    • B. 

      Stroke volume

    • C. 

      Cardiac output

  • 10. 
    The capacity to increase cardiac output above the resting cardiac output
    • A. 

      Cardiac reserve

    • B. 

      Cardiac output

    • C. 

      Cardiac cycle

  • 11. 
    What the ventricles are" doing" when the atrioventricular (AV) valves are closed and the semilunar valves are open
    • A. 

      Diastole

    • B. 

      Heart rate

    • C. 

      Systole

  • 12. 
    Amount of blood pumped by the ventricle per beat
    • A. 

      Cardiac output

    • B. 

      Cardiac reserve

    • C. 

      Stroke volume

  • 13. 
    Its duration is 0.8 second with a normal resting heart rate.
    • A. 

      Cardiac reserve

    • B. 

      Cardiac cycle

    • C. 

      Cardiac output

  • 14. 
    The phase of the cardiac cycle that refers to relaxation of the ventricles
    • A. 

      Stroke volume

    • B. 

      Systole

    • C. 

      Diastole

  • 15. 
    Ability of the myocardium to match venous return and cardiac output on a beat-to-beat basis
    • A. 

      Positive inotropic effect.

    • B. 

      Starling's law of the heart

    • C. 

      Cardiac output

  • 16. 
    Phase of the cardiac cycle that shortens most in response to tachycardia
    • A. 

      Diastole

    • B. 

      Systole

    • C. 

      Heart rate

  • 17. 
    What the ventricles are "doing" when the AV valves are open and the semilunar valves are closed
    • A. 

      Diastole

    • B. 

      Cardiac output

    • C. 

      Systole

  • 18. 
    5000mL/min
    • A. 

      Cardiac cycle

    • B. 

      Cardiac reserve

    • C. 

      Cardiac output

  • 19. 
    Forms the basis of Starling's law of the heart
    • A. 

      Ejection fraction

    • B. 

      Afterload

    • C. 

      End diastolic volume

  • 20. 
    The percentage of the end-diastolic volume (EOV) that is pumped
    • A. 

      Ejection fraction

    • B. 

      Inotropic effect

    • C. 

      Chronotropic effect

  • 21. 
    The resistance or opposition to the flow of blood
    • A. 

      Ejection fraction

    • B. 

      Inotropic effect

    • C. 

      Afterload

  • 22. 
    The amount of blood in the ventricles at the end of its resting phase
    • A. 

      Dromotropic effect

    • B. 

      End diastolic volume

    • C. 

      Afterload

  • 23. 
    Change in the rate or speed of the cardiac impulse that travels through the conduction system of the heart
    • A. 

      Chronotropic effect

    • B. 

      Dromotropic effect

    • C. 

      Inotropic effect

  • 24. 
    Example hypertension
    • A. 

      End diastolic volume

    • B. 

      Ejection fraction

    • C. 

      Afterload

  • 25. 
    Venous return
    • A. 

      End diastolic volume

    • B. 

      Afterload

    • C. 

      Ejection fraction

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