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5 Written questions

5 Matching questions

  1. Mediastinum
  2. Function of Atria
  3. systemic circuit pump
  4. right auricle
  5. What kind of tissue is endomysium, perimysium and epimysium and where is it located in the myocardium?
  1. a the medial cavity of the thorax where the heart resides.
  2. b endo = individual cell connective tissue
    peri = larger groups of connective tissue surrounding cells.
    Starts at the smallest (one cell) being surrounded by endomysium, then groups of cells surrounded by perimysium, then the epimysium and so on.
  3. c 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.
  4. d increase the atrial volume somewhat.
  5. e Collect blood returning to the heart.

5 Multiple choice questions

  1. tough, dense connective tissue layer protects the heart, anchors it to surrounding structures, and prevents overfilling of the heart with blood.
  2. the internal partition that divides the heart longitudinally at the ventricles.
  3. 4 veins: enter the left atrium; transport blood from the lungs back to the heart (best seen posteriorly)
  4. the internal partition that divides the heart longitudinally at the atria
  5. The endocardium underlies the much more voluminous myocardium, the muscular tissue responsible for the contraction of the heart.
    Cardiac muscle is a type of involuntary striated muscle found in the walls and histologic foundation of the heart, specifically the myocardium.

5 True/False questions

  1. circumflex 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. Right atriumincrease the atrial volume somewhat.


  3. pericardiumthe double walled sac surrounding the heart.


  4. ventr =underside


  5. papillary musclesconelike, play a role in valve function, project into the ventricular cavity.


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