Exam 3: Heart and Great Vessels Part 1

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brau2308
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161943
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Exam 3: Heart and Great Vessels Part 1
Updated:
2012-07-11 14:29:56
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anatomy heart
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review of 7/11 lecture on heart and great vessels for exam 3
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  1. Where is the heart located?
    between pleural cavities in space known as middle mediastinum
  2. What covers the surface of the heart?
    visceral pericardium
  3. What surrounds the heart?
    pericardial sac
  4. What covers the inner surface of the pericardial sac?
    parietal pericardium
  5. What do the pericardial membranes produce?
    serous fluid
  6. Where is the serous fluid from the pericardial membranes contained?
    in pericardial cavity
  7. What does the pericardium surround?
    heart and beginning of great vessels
  8. How many layers does the parietal pericardium consist of?
    2 layers (fused together)
  9. What are the layers of parietal pericardium?
    • outer fibrous layer
    • inner serous layer 
  10. What is the outer fibrous layer of parietal pericardium continuous with?
    great vessels
  11. What does the outer fibrous layer of parietal pericardium fuse with?
    surrounding structures
  12. Where is the inner serous layer of parietal pericardium?
    lines interior of pericardial sac
  13. What is the inner serous layer of parietal pericardium continuous with?
    visceral pericardium
  14. Where is the visceral pericardium?
    on external surface of heart
  15. What is the visceral pericardium?
    serous membrane continuous with innerlayer of parietal pericardium
  16. What does it mean when it says the visceral pericardium is a serous membrane?
    it produces clear watery fluid to prevent friction
  17. Where is the pericardial cavity?
    space between two layers of pericardium
  18. What is contained in the pericardial cavity?
    small quantity of pericardial fluid
  19. The pericardiacophrenic artery is a branch of what?
    internal thoracic artery
  20. What nerve does the pericardiacophrenic artery travel with?
    phrenic nerve
  21. What does the pericardiacophrenic artery supply?
    respiratory diaphragm
  22. Which arteries are associated with the heart?
    • pericardiacophrenic a
    • descending aorta
    • interal thoracic a  
  23. What are the several small branches off the descending aorta?
    pericardial branches
  24. What are the several small branches off the internal thoracic artery?
    pericardial branches
  25. Is the phrenic nerve motor or sensory?
    both
  26. Which nerves provide sensory (pain) branches to the pericardium?
    • phrenic nn
    • intercostal nn
  27. The phrenic nerve provides sensory to which structures?
    pericardium and diaphragm
  28. Where is the right border of the heart?
    • 1/2' right of sternum
    • from 2nd to 5th costal cartilages
  29. What structures are included in the right border of the heart?
    • superior vena cava
    • right atrium 
  30. Where is the left border of the heart?
    • 3 1/2" left of midline
    • from 2nd costal cartilage to 6th intercostalspace 
  31. What structures are included in the left border of the heart?
    • left auricle
    • left ventricle 
  32. Where is the inferior border of the heart?
    outlines right ventricle
  33. Where does the left coronary artery begin?
    in left sinus of aortic semilunar valve
  34. Where does the left coronary artery divide into two terminal branches?
     in atrioventricular sulus
  35. What are the two terminal branches of the left coronary artery?
    • anterior interventricular branch
    • circumflex branch 
  36. What is another name for the anterior interventricular branch?
    • anterior descending artery
    • LAD (left anterior descending artery) 
  37. Where is the anterior interventricular branch found?
    • in interventricular sulcus on anterior surface
    • continues to inferior margin and onto posterior surface
  38. What does the anteiror interventricular branch of the left coronary artery anastomosis with?
    posterior interventricular artery
  39. What does the anterior interventriculat branch of the left coronary artery supply?
    both ventricles
  40. Where is the circumflex branch of the left coronary artery found?
    in atrioventricular sulcus
  41. What does the circumflex branch of the left coronary artery anastomosis with?
    right coronary artery
  42. Where does the circumflex branch of the left coronary artery anastomoses with the right coronary artery?
    on posterior surface of the heart
  43. Where does the right coronary artery begin?
    in right sinus of aortic semilunar valve
  44. Where is the right coronary artery found?
    in atrioventricular sulcus
  45. What are the branches of the right coronary artery?
    • nodal branch
    • marginal branch
    • posterior interventricular branch   
  46. What does the nodal branch of the right coronary artery supply?
    sino-atrial node (pacemaker)
  47. Where does the marginal branch of the right coronary artery go?
    to the right ventricle
  48. Where is the posterior interventricular branch of the right coronary artery found?
    in posterior interventricular sulcus
  49. The posterior interventricular branch of the right coronary artery gives off branches to what?
    both ventricles
  50. What does the posterior interventricular branch of the right coronary artery anastomosis with?
    anterior interventricular artery
  51. Where does the great cardiac vein begin?
    in anterior interventricular sulcus
  52. Where does the great cardiac vein terminate?
    coronary sinus
  53. What does the coronary sinus empty into?
    right atrium
  54. Where does the small cardiac vein begin?
    lower border of right ventricle
  55. Where does the small cardiac vein terminate?
    coronary sinus
  56. Where do the anterior cardiac veins begin?
    on anterior surface of right ventricle
  57. Where do the anterior cardiac veins terminate?
    directly into right atrium
  58. Where does the middle cardiac vein begin?
    posterior interventricular sulcus
  59. Where does the middle cardiac vein terminate?
    coronary sinus
  60. What is another name for the venae cordi minimae?
    Thebesian veins
  61. Are the venae cordis minimae microscopic?
    yes
  62. Where do the venae cordis minimae begin?
    inside muscle tissue of heart wall
  63. Where do the venae cordis minimae open into?
    open directly into chambers of the heart

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