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Anatomy: Middle Mediastinum and Heart Test

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4 Written Questions

4 Multiple Choice Questions

  1. *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
  2. -pass through pericardium to diaphragm
    -pass over root of lungs
    Innervate:
    -mediastinal pleura
    -fibrous pericardium
    -diaphragm
  3. -superior vena cava
    -inferior vena cava
    -coronary sinus (returns venous blood from heart itself)
  4. *sac surrounding heart and roots of great vessels
    1. fibrous pericardium
    2. Serous pericardium

4 True/False Questions

  1. 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

          

  2. What separates the 2 main components of the 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

          

  3. What is the fibrous pericardium?*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

          

  4. How is the heart oriented in the body? (anterior surface, diaphragmatic, L/R pulmonary, base)**thymus (may not be evident in cadaver)
    also
    -fat
    -connective tissue
    -lymph nodes
    -branches of internal thoracic vessels
    -sternopericardial ligaments

          

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