A Unique Quiz On : Heart

48 Questions | Total Attempts: 2094

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Heart Quizzes & Trivia

Welcome to a unique quiz about the most important organ in your body and ours – the heart! Often talked about as the instrument of love within each of us, the heart is actually what controls the flow of blood from one location to the next in your body. What do you know about it?


Questions and Answers
  • 1. 
    This layer of the heart allows it to act as a pump.
    • A. 

      Epicardium

    • B. 

      Myocardium

    • C. 

      Pericardium

    • D. 

      Endocardium

  • 2. 
    This sling-like structure supports the heart
    • A. 

      Pericardium

    • B. 

      Chordae tendinae

    • C. 

      Myocardium

    • D. 

      Endocardium

  • 3. 
    This is the hardest working cardiac chamber and therefore has the thickest myocardium.
    • A. 

      Right atrium

    • B. 

      Right ventricle

    • C. 

      Left atrium

    • D. 

      Left ventricle

  • 4. 
    The right ventricle pumps to the
    • A. 

      Right atrium

    • B. 

      Left veins

    • C. 

      Pulmonary artery

    • D. 

      Aorta

  • 5. 
    Vessel(s) that carry(ies) blood from the pulmonary capillaries to the left atrium
    • A. 

      Aorta

    • B. 

      Pulmonary artery

    • C. 

      Pulmonary veins

    • D. 

      Vena cava

  • 6. 
    The aorta receives blood from the
    • A. 

      Right ventricle

    • B. 

      Pulmonary veins

    • C. 

      Pulmonary artery

    • D. 

      Left ventricle

  • 7. 
    Blood flows from the right atrium through this atriovascular valve to the right ventricle
    • A. 

      Bicuspid

    • B. 

      Mitral

    • C. 

      Pulmonic

    • D. 

      Tricuspid

  • 8. 
    Which of the following structures "sees" unoxygenated blood?
    • A. 

      Aorta

    • B. 

      Left ventricle

    • C. 

      Pulmonary artery

    • D. 

      Pulmonary veins

  • 9. 
    Which of the following "sees" oxygenated blood?
    • A. 

      Vena cava

    • B. 

      Pulmonary veins

    • C. 

      Right atrium

    • D. 

      Pukmonic valve

  • 10. 
    Chordae tendineae are not associated with this valve
    • A. 

      Aortic

    • B. 

      Mitral

    • C. 

      Tricuspid

    • D. 

      Bicuspid

  • 11. 
    With which of the following is "lubb-dupp" associated?
    • A. 

      Myocardial contraction

    • B. 

      Ventricle depolarization

    • C. 

      Closing of heart valves

    • D. 

      Diffusion of O2 from the lungs to the blood in the pulmonary capillaries

  • 12. 
    Which of the following supplies oxygenated blood to the heart muscle?
    • A. 

      Coronary arteries

    • B. 

      Pulmonary arteries

    • C. 

      Pulmonary veins

    • D. 

      Cardiac veins

  • 13. 
    Where does the cardiac action potential (cardiac impulse) normally originate?
    • A. 

      AV node

    • B. 

      Purkinje fibers

    • C. 

      Ectopic focus

    • D. 

      SA node

  • 14. 
    The pacemaker of the heart is located in the upper wall of the
    • A. 

      Right atrium

    • B. 

      Right ventricle

    • C. 

      Left atrium

    • D. 

      Left ventricle

  • 15. 
    Referring to the ECG, the P wave represents
    • A. 

      Atrial contraction

    • B. 

      Ventricular relaxation

    • C. 

      Atrial depolarization

    • D. 

      Atrial repolarization

  • 16. 
    Referring the the ECG, the QRS complex represents
    • A. 

      Ventricular contraction

    • B. 

      Ventricular repolarization

    • C. 

      Ventricular relaxation

    • D. 

      Ventricular depolarization

  • 17. 
    This structure connects the cusps of the AV valves to the ventricles
    • A. 

      Purkinje fibers

    • B. 

      AV node

    • C. 

      Bundle of His

    • D. 

      Chordae tendinae

  • 18. 
    These conducting fibers rapidly spread the electrical signal throughout the ventricles
    • A. 

      Bundle of His

    • B. 

      Purkinje fibers

    • C. 

      SA node

    • D. 

      AV node

  • 19. 
    Which of the following is least related to the mitral valve?
    • A. 

      Left heart

    • B. 

      Biscupid

    • C. 

      Semilunar

    • D. 

      Chordae tendineae

  • 20. 
    All of the following are electrical terms except
    • A. 

      Sarcomere

    • B. 

      Depolarization

    • C. 

      Action potential

    • D. 

      Repolarization

  • 21. 
    Which of the following must precede ventricular contraction?
    • A. 

      Ventricular relaxation

    • B. 

      "lubb-dupp"

    • C. 

      Ventricular depolarization

    • D. 

      Closing of the AV valves

  • 22. 
    Complete the sequence: blood flows from the right atrium to the right ventricle to the pulmonary artery to the
    • A. 

      Pulmonary veins

    • B. 

      Coronary arteries

    • C. 

      Pulmonary capillaries

    • D. 

      Vena cava

  • 23. 
    What event causes the pulmonic valve to open?
    • A. 

      The P wave

    • B. 

      An increase in the pressure within the right ventricle

    • C. 

      "lubb-dupp"

    • D. 

      Contraction of the chordae tendieae

  • 24. 
    Which layer of the heart has actin, myosin, and intercalated discs?
    • A. 

      Myocardium

    • B. 

      Endocardium

    • C. 

      Epicardium

    • D. 

      Pericardium

  • 25. 
    The pericardium is part of the
    • A. 

      Myocardium

    • B. 

      Diaphragm

    • C. 

      Epicardium

    • D. 

      Endocardium