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5 Written Questions

5 Matching Questions

  1. endocardium
  2. electrical insulator, prevent overstretching of hear valves, foundation for heart valve structure, insertion point for atrial and ventricular myocardium
  3. fibrous pericardium
  4. tricuspid and mitral
  5. left ventricle
  1. a name the innermost layer of the heart wall
  2. b list the 4 functions of fibrous skeleton
  3. c the apex of the heart is composed mostly of which chamber
  4. d what is a non-elastic tissue layer that composes the outermost layer of the pericardium. it is visible when the chest is opened
  5. e when the atria contract which valves are open

5 Multiple Choice Questions

  1. why is the left ventricular myocardium thicker than the right ventricular myocardium
  2. what is the only area of the ventricles that does not have trabeculae carnae
  3. abnormally increased fluid volume in the pericardial space
  4. list the 3 regions of the thoracic aorta
  5. fibrous tissue ring that forms the base of each heart valve

5 True/False Questions

  1. valve cusps/leaflets coapt normally because the papillary muscles are "pulling" on the chordae tendonae attached to the free border of the valve cusps/leafletswhat happens to the valves when the papillary muscles contract


  2. the pulmonic valve closes when the blood pressure within the pulmonary trunk exceeds blood pressure within the right ventricle. the aortic valve closes when the bp within the aorta exceeds the bp within the left ventriclebriefly describe the mechanism of semilunar valve closure


  3. the brain and right armwhat are the regions supplied by the brachiocephalic trunk


  4. mediastinumwithin what body compartment is the heart located


  5. diastolewithin what body compartment is the heart located


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