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4 Written questions

4 Multiple choice questions

  1. -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
  2. anterior surface: mainly rt ventricle, small contributions from rt atrium and lt ventricle
    diaphragmatic surface: lt ventricle, small part rt ventricle
    L pulmonary: L ventricle, L atrium
    R pulmonary: R atrium
    Base (posterior surface): L atrium, small part R atrium, proximal parts great veins
  3. *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
  4. 1. pericardium
    2. heart
    3. origin of great vessels:
    -ascending aorta
    -pulmonary arteries
    -pulmonary veins
    -superior vena cava
    -inferior vena cava
    4. Phrenic nerves

4 True/False questions

  1. What are the subdivisions of the inferior mediastinum?1. anterior: area anterior to pericardial sac and posterior to sternum
    2. middle: centrally located in thoracic cavity (contains heart)
    3. Posterior

          

  2. Where is the coronary sulcus?*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

          

  3. What are the major structures of the anterior mediastinum?1. pericardium
    2. heart
    3. origin of great vessels:
    -ascending aorta
    -pulmonary arteries
    -pulmonary veins
    -superior vena cava
    -inferior vena cava
    4. Phrenic nerves

          

  4. Describe the location and purpose of the phrenic nerve-pass through pericardium to diaphragm
    -pass over root of lungs
    Innervate:
    -mediastinal pleura
    -fibrous pericardium
    -diaphragm

          

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