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5 Written Questions

5 Matching Questions

  1. inferior vena cava
  2. pectinate muscles
  3. superior vena cava
  4. circumflex artery
  5. also called the epicardium
  1. a returns blood from body regions inferior to the diaphragm. (lack oxygen.
  2. b visceral layer of the serous pericardium
  3. c supplies the left atrium and the posterior walls of the left ventricle.
  4. d bundles of muscle that look like the teeth of a comb inside of the anterior portion of the right atrium.
  5. e returns blood from body regions superior to the diaphragm. (lack oxygen)

5 Multiple Choice Questions

  1. Origin: Right ventricle; Distributes to the lungs; pumps oxygen-poor blood from right ventricle; has the pulmonary valve at its origin.
  2. the internal partition that divides the heart longitudinally at the atria
  3. middle layer of the heart wall; composed mainly of cardiac muscle and forms the bulk of the heart; circular and spiral arrangement of cardiac muscle.

  4. Ascends short distance within the pericardium; Has aortic valve at its origin; origin: Left ventricle (aortic vestibule)
  5. the right side of the heart. short, low-pressure circulation.

5 True/False Questions

  1. left coronary arteryruns toward the left side of the heart and then divides into its major branches.


  2. trabeculae carneaeirregular ridges of muscle that line the internal walls of the ventricular chambers.


  3. fossa ovaliscrown


  4. pectin =comb


  5. superficial epicardiumdeep to the fibrous pericardium: a thin, slippery, 2-layer serous membrane. its parietal layer lines the internal surface of the fibrous pericardium.


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