A&p Ch. 18 - Heart & Cardiovascular Function

154 Questions | Total Attempts: 254

SettingsSettingsSettings
Please wait...
A&p Ch. 18 - Heart & Cardiovascular Function

The heart is more than just an instrument of love – it’s the most important organ in our bodies, beating blood all around and ensuring we keep ticking away like a fully functioning clock. What do you know about it? Take this quiz on A&P Ch. 18 – Heart & Cardiovascular Function now!


Questions and Answers
  • 1. 
    Most of the middle layer in the heart wall is composed of
    • A. 

      Cardiac muscle cells.

    • B. 

      Chondrocytes.

    • C. 

      Epitheliocytes.

    • D. 

      Fibrocytes.

    • E. 

      Smooth muscle cells.

  • 2. 
    Which of the following descriptions matches the term near the left fifth intercostal space?
    • A. 

      Pericardial cavity

    • B. 

      Visceral pericardium

    • C. 

      Apex of heart

    • D. 

      Aorta

    • E. 

      Right atrium

  • 3. 
    Intercalated discs serve to transfer ________ from cell to cell.
    • A. 

      Ionic currents

    • B. 

      Action potentials

    • C. 

      The force of contraction

    • D. 

      All of the above

    • E. 

      None of the above

  • 4. 
    In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, esophagus, and trachea called the
    • A. 

      Pleural space.

    • B. 

      Pericardial space.

    • C. 

      Mediastinum.

    • D. 

      Cardiac notch.

    • E. 

      Ventral cavity.

  • 5. 
    The visceral pericardium is the same as the
    • A. 

      Mediastinum.

    • B. 

      Parietal pericardium.

    • C. 

      Epicardium.

    • D. 

      Myocardium.

    • E. 

      Endocardium.

  • 6. 
    The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as
    • A. 

      Cardiac tamponade.

    • B. 

      Mitral valve prolapse.

    • C. 

      Pleural effusion.

    • D. 

      Cardiomyopathy.

    • E. 

      Pericarditis.

  • 7. 
    The earlike extension of the atrium is the
    • A. 

      Ventricle.

    • B. 

      Coronary sinus.

    • C. 

      Coronary sulcus.

    • D. 

      Auricle.

    • E. 

      Atricle.

  • 8. 
    The coronary sulcus is a groove that
    • A. 

      Marks the border between the atria and ventricles.

    • B. 

      Marks the boundary line between the right and left ventricles.

    • C. 

      Marks the boundary line between the right and left atria.

    • D. 

      Separates the atrioventricular valves from the atria.

    • E. 

      Separates the coronary arteries from the coronary veins.

  • 9. 
    There are ________ pulmonary veins.
    • A. 

      2

    • B. 

      4

    • C. 

      6

    • D. 

      8

    • E. 

      10

  • 10. 
    The interventricular sulci and coronary sulcus contain
    • A. 

      Fat.

    • B. 

      Arteries.

    • C. 

      Veins.

    • D. 

      All of the above

    • E. 

      None of the above

  • 11. 
    Blood is supplied to the myocardium by
    • A. 

      The coronary sinus.

    • B. 

      Contact with blood in the pumping chambers.

    • C. 

      The coronary arteries.

    • D. 

      Arteries that branch from the pulmonary arteries.

    • E. 

      None of the above

  • 12. 
    The first blood vessels to branch from the aorta are the ________ arteries.
    • A. 

      Pulmonary

    • B. 

      Coronary

    • C. 

      Circumflex

    • D. 

      Carotid

    • E. 

      Subclavian

  • 13. 
    The marginal branch and posterior interventricular branch are branches of the
    • A. 

      Right coronary artery.

    • B. 

      Left coronary artery.

    • C. 

      Circumflex artery.

    • D. 

      Coronary sinus.

    • E. 

      Aorta.

  • 14. 
    The circumflex branch and the anterior interventricular artery are branches of the
    • A. 

      Right coronary artery.

    • B. 

      Left coronary artery.

    • C. 

      Interventricular artery.

    • D. 

      Coronary sinus.

    • E. 

      Aorta.

  • 15. 
    The great and middle cardiac veins drain blood into the
    • A. 

      Superior vena cava.

    • B. 

      Inferior vena cava.

    • C. 

      Coronary sinus.

    • D. 

      Coronary sulcus.

    • E. 

      Aorta.

  • 16. 
    The ________ deliver(s) blood to the myocardium.
    • A. 

      Right coronary artery

    • B. 

      Right coronary vein

    • C. 

      Superior vena cava

    • D. 

      Left coronary artery

    • E. 

      Right coronary artery and left coronary artery

  • 17. 
    Blood is supplied to the left atrium by the
    • A. 

      Brachiocephalic artery.

    • B. 

      Right coronary artery.

    • C. 

      Left coronary artery.

    • D. 

      Phrenic arteries.

    • E. 

      Pulmonary arteries.

  • 18. 
    Coronary veins empty into the
    • A. 

      Left atrium.

    • B. 

      Left ventricle.

    • C. 

      Right atrium.

    • D. 

      Right ventricle.

    • E. 

      Conus arteriosus.

  • 19. 
    Blood returning to the heart from the systemic circuit first enters the
    • A. 

      Right atrium.

    • B. 

      Right ventricle.

    • C. 

      Left atrium.

    • D. 

      Left ventricle.

    • E. 

      Conus arteriosus.

  • 20. 
    Blood returning to the heart from the pulmonary circuit first enters the
    • A. 

      Right atrium.

    • B. 

      Right ventricle.

    • C. 

      Left atrium.

    • D. 

      Left ventricle.

    • E. 

      Conus arteriosus.

  • 21. 
    The atrioventricular valves permit blood flow
    • A. 

      In one direction only.

    • B. 

      In both directions.

    • C. 

      In many directions.

    • D. 

      In opposite directions on the right and left.

    • E. 

      None of the above.

  • 22. 
    Blood leaves the right ventricle by passing through the
    • A. 

      Aortic valve.

    • B. 

      Pulmonary valve.

    • C. 

      Mitral valve.

    • D. 

      Tricuspid valve.

    • E. 

      Bicuspid valve.

  • 23. 
    The cusps (leaflets) of atrioventricular valves attach directly to
    • A. 

      Papillary muscles.

    • B. 

      Trabeculae carneae.

    • C. 

      Chordae tendineae.

    • D. 

      Interatrial septa.

    • E. 

      Coronary sulci.

  • 24. 
    The right ventricle pumps blood to the
    • A. 

      Right and left lungs.

    • B. 

      Left ventricle.

    • C. 

      Left atrium.

    • D. 

      Aorta.

    • E. 

      Right atrium.

  • 25. 
    The left ventricle pumps blood to the
    • A. 

      Lungs.

    • B. 

      Right ventricle.

    • C. 

      Right atrium.

    • D. 

      Aorta.

    • E. 

      Pulmonary circuit.