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4 Written questions

4 Multiple choice questions

  1. -pass through pericardium to diaphragm
    -pass over root of lungs
    Innervate:
    -mediastinal pleura
    -fibrous pericardium
    -diaphragm
  2. **thymus (may not be evident in cadaver)
    also
    -fat
    -connective tissue
    -lymph nodes
    -branches of internal thoracic vessels
    -sternopericardial ligaments
  3. 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
  4. -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

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. What is the serous pericardium?-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. What separates the 2 main components of the mediastinum?*transverse plane extending back from the sternal angle to the intervertebral disc btw. T4 and T5
    *Separates mediastinum into superior and inferior compartments

          

  4. What vessels return blood to the R atrium?-superior vena cava
    -inferior vena cava
    -coronary sinus (returns venous blood from heart itself)

          

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