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5 Written questions

5 Matching questions

  1. fibrous pericardium
  2. Function of Ventricles
  3. serous pericardium
  4. interatrial septum
  5. left coronary artery
  1. a deep to the fibrous pericardium: a thin, slippery, 2-layer serous membrane. its parietal layer lines the internal surface of the fibrous pericardium.
  2. b tough, dense connective tissue layer protects the heart, anchors it to surrounding structures, and prevents overfilling of the heart with blood.
  3. c to pump blood from the heart.
  4. d runs toward the left side of the heart and then divides into its major branches.
  5. e the internal partition that divides the heart longitudinally at the atria

5 Multiple choice questions

  1. underside

  2. 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)
  3. often infiltrated with fat (adipose), especially in older people. (visceral layer of the serous pericardium)
  4. 4 veins: enter the left atrium; transport blood from the lungs back to the heart (best seen posteriorly)
  5. crown

5 True/False questions

  1. Purkinje fibersthe double walled sac surrounding the heart.


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


  3. Ascending aorta
    Ascends short distance within the pericardium; Has aortic valve at its origin; origin: Left ventricle (aortic vestibule)


  4. Right ventricle
    1 of 4 chambers; rough, muscular walls; muscle wall thicker than either atrium and thinner than left ventricle; Responsible for pumping oxygen poor blood to lungs.


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


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