Heart Quiz

Welcome to the Onlyanurse.com Heart Quiz. Think you know your way around the heart? Let's find out if you really do.
  1. . The outermost layer of the heart’s serous pericardium is termed the:

  2. visceral pericardium
    parietal pericardium
    epicardium
    myocardium

  3. The lining of the inner walls of the heart’s chambers is termed the:

  4. visceral pericardium
    serous pericardium
    epicardium
    endocardium

  5. The heart’s natural pacemaker is termed the:

  6. sinoatrial node
    atrioventricular node
    bundle of His/atrioventricular bundle
    left and right bundle branches

  7. The heart’s electrical conduction network found within the ventricular myocardium is termed the:

  8. sinoatrial node
    atrioventricular node
    bundle of His/atrioventricular bundle
    Purkinje fibers

  9. If the heart’s natural pacemaker fails to fire, then:

  10. no blood would enter the atria
    no blood would enter the ventricles
    the node on the floor of the right atrium would act as a secondary pacemaker
    the node on the floor of the left ventricle would act as a secondary pacemaker

  11. Which tunic of an artery contains endothelium?

  12. tunica interna/intima
    tunica media
    tunica externa
    tunica adventitia

  13. The exchange of gases and nutrients between blood and tissues is a major function of:

  14. arterioles
    arteries
    capillaries
    Veins

  15. Which of the following statements best describes arteries?

  16. all arteries carry oxygenated blood towards the heart
    all arteries contain valves to prevent the back-flow of blood
    all arteries carry blood away from the heart
    only large arteries are lined with endothelium

  17. The circulatory pathway that carries blood from the digestive tract towards the liver is termed th

  18. coronary circuit
    cerebral circuit
    hepatic portal circuit
    pulmonary circuit

  19. Immediately following strenuous and vigorous exercise, which of the following is most likely to oc

  20. blood will be rapidly diverted to the digestive organs
    the skin will be cold and clammy
    capillaries of the active muscles will be engorged with blood
    blood flow to the kidneys quickly increases