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5 Written questions

5 Matching questions

  1. Left ventricle
  2. corona =
  3. Right atrium
  4. superficial epicardium
  5. fibrous pericardium
  1. a
    1 of 4 chambers; smooth, thin, posterior wall; thin, rough anterior wall; receives superior and inferior venae cavae and coronary sinus
  2. b often infiltrated with fat (adipose), especially in older people. (visceral layer of the serous pericardium)
  3. c crown
  4. d ejects blood into the aorta (largest artery in the body)
  5. e tough, dense connective tissue layer protects the heart, anchors it to surrounding structures, and prevents overfilling of the heart with blood.

5 Multiple choice questions

  1. returns blood from body regions superior to the diaphragm. (lack oxygen)
  2. heart
  3. increase the atrial volume somewhat.
  4. left side of the heart. takes a long pathway through the entire body and encounters about five times as much friction or resistance to blood flow than the pulmonary circuit pump.
  5. the functional blood supply of the heart, is the shortest circulation in the body.

5 True/False questions

  1. left coronary artery
    Passes between pulmonary trunk and right auricle; lies in the coronary sulcus; distributes blood to the right atrium, right ventricle and left ventricle.


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


  3. Right ventricleincrease the atrial volume somewhat.


  4. myocardiummiddle layer of the heart wall; composed mainly of cardiac muscle and forms the bulk of the heart; circular and spiral arrangement of cardiac muscle.


  5. Left ventricle
    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)