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4 Written questions

4 Multiple choice questions

  1. It separates the atria and ventricles
  2. 1. anterior: area anterior to pericardial sac and posterior to sternum
    2. middle: centrally located in thoracic cavity (contains heart)
    3. Posterior
  3. -superior vena cava
    -inferior vena cava
    -coronary sinus (returns venous blood from heart itself)
  4. *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 True/False questions

  1. How is the heart oriented in the body? (anterior surface, diaphragmatic, L/R pulmonary, base)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


  2. Describe the location and purpose of the phrenic nerve*transverse plane extending back from the sternal angle to the intervertebral disc btw. T4 and T5
    *Separates mediastinum into superior and inferior compartments


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


  4. 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