POSSIBLE ANSWERS: - HEART and CIRCULATION Quiz 6

POSSIBLE ANSWERS: - HEART AND CIRCULATION – Quiz 6:

1. 1 umbilical vein / 45. left atrium
2. 2 capillary beds in series / 46. left ventricle
3. 2 pulmonary veins (from each lung) / 47. left ventricle to right atrium
4. 2 to 3 cells thick / 48. ligamentum arteriosum
5. 2 umbilical arteries / 49. ligamentum teres (round ligament)
6. 40 cells thick / 50. lumen
7. aorta / 51. mitral valve
8. aortic semilunar valves / 52. mixed blood
9. apex of the heart / 53. moderator band
10. arteries / 54. oxygen deficient blood
11. arteries away from heart chambers (a a) / 55. oxygen rich blood
12. arteriole to arteriole anastomoses / 56. papillary muscles
13. arterioles / 57. patent ductus arteriosus
14. atria / 58. pectinate muscles
15. atrioventricular sulcus (groove) / 59. pericardium
16. atrioventricular valves / 60. placenta
17. auricles / 61. portal circulation
18. axis rotated to left / 62. pulmonary bypass
19. bicuspid valve / 63. pulmonary circulation
20. blood / 64. pulmonary semilunar valves
21. bulk flow / 65. pulmonary trunk (aorta, or artery)
22. capillaries / 66. right atrium
23. chordae tendineae / 67. right ventricle
24. closed system / 68. right ventricle to left atrium
25. collateral circulation / 69. semilunar valves
26. coronary arteries / 70. sinusoid capillaries
27. coronary circulation / 71. skeletal muscle pump
28. coronary sinus / 72. superior vena cava
29. coronary sulcus / 73. systemic circulation
30. coronary veins / 74. trabeculae carneae
31. diffusion / 75. tricuspid valve
32. ductus arteriosus / 76. tunica adventitia
33. elastic and white fibrous tissue layer / 77. tunica externa
34. fetal circulation / 78. tunica intima
35. foramen ovale / 79. tunica media
36. fossa ovalis / 80. urinary bladder
37. heart / 81. vagus nerve
38. heart sounds (lub/dub) / 82. varicose veins
39. inferior end of axis tilted anteriorly / 83. vasa vasorum
40. inferior end of axis tilted to left / 84. veins
41. inferior vena cava / 85. ventricles
42. interatrial septum / 86. venules
43. interventricular septum / 87. vessels
44. interventricular sulcus (groove)