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5 Written questions

5 Matching questions

  1. Anterior interventricular sulcus
  2. Where is the endocardium found and what kind of tissue is it?
  3. pericardium
  4. coronary sinus
  5. also called the epicardium
  1. a visceral layer of the serous pericardium
  2. b collects blood draining from the myocardium
  3. c -The endocardium is the inner layer of the heart. It consists of epithelial tissue and connective tissue.
    -Lines the inner cavities of the heart, covers heart valves and is continuous with the inner lining of blood vessels. (the inner lining of vessels are endothelial cells)
    -Purkinje fibers are located in the endocardium. They participate in the contraction of the heart muscle.
  4. d
    Groove on anterior surface; extends from coronary sulcus to inferior margin; marks position of interventricular septum;
  5. e the double walled sac surrounding the heart.

5 Multiple choice questions

  1. 1 of 4 chambers; thick muscular walls; separated from let atrium by left atrioventricular valve; walls twice as thick as right ventricle; forms apex; responsible for pumping oxygen-rich blood to body (except to lungs)
  2. the internal partition that divides the heart longitudinally at the ventricles.

  3. 1 of 4 chambers; smooth, thin, posterior wall; thin, rough anterior wall; receives superior and inferior venae cavae and coronary sinus
  4. supplies the left atrium and the posterior walls of the left ventricle.
  5. tough, dense connective tissue layer protects the heart, anchors it to surrounding structures, and prevents overfilling of the heart with blood.

5 True/False questions

  1. fibrous skeleton of the heartconnective tissue fibers that form a dense network to reinforce the myocardium internally and anchor the cardiac muscle fibers.


  2. pulmonary veins
    Origin: Right ventricle; Distributes to the lungs; pumps oxygen-poor blood from right ventricle; has the pulmonary valve at its origin.


  3. Purkinje fibers4 veins: enter the left atrium; transport blood from the lungs back to the heart (best seen posteriorly)


  4. superior vena cavareturns blood from body regions inferior to the diaphragm. (lack oxygen.


  5. cardi =heart


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