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4 Written questions

4 Multiple choice questions

  1. *2 layers
    1. parietal: lines inner surface fibrous pericardium
    2. visceral: adheres to heart and forms its outer coating-->epicardium
    *serous pericardium continuous at the roots of the great vessel
    *everywhere else there is a narrow space between them called the pericardial cavity
  2. -tough connective tissue layer that defines the boundaries of the middle mediastinum
    -cone shaped bag, attached to diaphragm at base, continuous with adventitia of great vessels at apex
  3. -superior vena cava
    -inferior vena cava
    -coronary sinus (returns venous blood from heart itself)
  4. It separates the atria and ventricles

4 True/False questions

  1. What are the subdivisions of the inferior mediastinum?**thymus (may not be evident in cadaver)
    also
    -fat
    -connective tissue
    -lymph nodes
    -branches of internal thoracic vessels
    -sternopericardial ligaments

          

  2. What are the pericardial sinuses?*areas of continuity between the parietal and visceral serous pericardium around great vessels, creat reflections of serous pericardium
    1. Transverse pericardial sinus: separates aorta and pulmonary artery from the superior vena cava
    2. oblique pericardial sinus: formed by reflection of serous pericardium onto pulmonary veins

          

  3. What are the major structures of the middle mediastinum?**thymus (may not be evident in cadaver)
    also
    -fat
    -connective tissue
    -lymph nodes
    -branches of internal thoracic vessels
    -sternopericardial ligaments

          

  4. What is the pericardium and what are its components?*sac surrounding heart and roots of great vessels
    1. fibrous pericardium
    2. Serous pericardium

          

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