ANAT 380 Module 1 Detailed Exam Study Questions with Verified Answers | Expert Graded A+ (Guarantee Success)

ANAT 380 Module 1 Detailed Exam Study Questions with Verified Answers | Expert Graded A+ (Guarantee Success) 1. What is the mediastinum - ANSWER central region of the thorax between the right and left lung. 2. What are the five divisions of the mediastinum - ANSWER 1. superior inferior anterior middle posterior 3. what structure lies anterior to the esophagus - ANSWER trachea 4. what structure lies posterior to the trachea - ANSWER esophagus 5. what structure lies to the right of the esophagus - ANSWER azygous vein 6. what structure lies to the left of the thoracic vertebrae and esophagus - ANSWER thoracic aorta 7. the esophagus passes posterior to which bronchi - ANSWER right primary bronchi 8. intercostal vessels run in what relation to the sympathetic trunk - ANSWER posterior 9. why does irritation of the pleura cause shoulder/neck pain - ANSWER referred pain from the phrenic nerve 10. which nerve innervates the parietal pleura - ANSWER phrenic nerve 11. what structure is compressed by an enlarged left atrium - ANSWER esophagus which results in difficulty swallowing 12. right and left dome of diaphragm - ANSWER right can rise to level of upper border of 5th rib higher than left dome left dome can rise to level of lower border of 5th rib 13. right crus of diaphragm - ANSWER muscular extension of diaphragm 14. origin of right crus - ANSWER anterolateral surface of upper 3 lumbar vertebrae 15. left crus of diaphragm and origin - ANSWER muscular extension that originate from anterolateral surface of upper two lumbar vertebrae 16. caval opening - ANSWER opening in central tendon (level of T8) opening for inferior vena cava 17. esophageal hiatus - ANSWER in right crus (level of T10) opening for esophagus 18. aortic hiatus - ANSWER between right and left crus anterior to T12 opening for aorta 19. How is the mediastinum commonly divided clinically - ANSWER often 3 compartment anterior middle posterior 20. where is the superior mediastinum located - ANSWER posterior to manubrium anterior to T1-T4 vertebrae 21. what are the boundaries of the anterior mediastinum - ANSWER between sternum and anterior pericardium 22. what are the boundaries of the middle mediastinum - ANSWER between the anterior and posterior pericardium (is the heart) 23. what are the boundaries of the posterior mediastinum - ANSWER between posterior pericardium and posterior thoracic wall 24. what are the boundaries of the inferior mediastinum - ANSWER between superior mediastinum (above) and diaphragm (below) 25. what major airway structure is found in the superior mediastinum - ANSWER trachea 26. what digestive structure is found in the superior mediastinum - ANSWER esophagus 27. what major artery is found in the superior mediastinum - ANSWER aortic arch 28. what major vein in found in the superior mediastinum - ANSWER superior vena cava 29. what important nerve runs through the superior mediastinum - ANSWER vagus nerve phrenic nerve 30. what is the main organ in the middle mediastinum - ANSWER heart 31. what structure surround the heart in the middle mediastinum - ANSWER pericardium 32. what major artery leaves the heart in the middle mediastinum - ANSWER pulmonary trunk