BS unit 4 review pt3

BS unit 4 review pt3 - 41 42 43 44 45 46 47 48 49 SO 51 52...

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Unformatted text preview: 41 42. 43. 44. 45. 46. 47. 48. 49. SO. 51. 52. 53. 54. 55. 56. 57. . Name some mechanisms that help move blood back to the heart. Would dilation of veins help? Vein valves, skeletal muscle contraction, chest expansion, no What happens when the precapillary sphincter widens? More blood can enter tissues that need more oxygen How is blood pressure reported? Systolic over diastolic pressure Which pressure occurs during heart muscle contraction? systolic What is the medical term for high blood pressure? hypertension What is an aneurysm? . A bulging sac in the wall of a blood vessel caused by a localized weakness in that part of the vessel. What is the cause of septic shock? Overwhelming bacterial infection What causes an embolus and why is it dangerous? Caused by thrombosis and can lead to death if it gets to the lungs, termed pulmonary embolism What are the three main functions of the lymphatic system? Fluid balance, protection from infection, and absorption of fats Lymphatic vessels that are immediately below the surface of the skin are known as? superficial Lymphatic nodes that often become enlarged during upper respiratory infections , and are located in the neck are called: Cervical nodes Where are the popliteal nodes located? In the knee What are the functions of the spleen? Destruction of old RBCs, removal of blood impurities and storage of blood Where do T—cells develop? In the thymus What are the palatine tonsils? Oval bodies located at each side of the soft palate Where are the Kupffer cells located and what do they do? In the liver; phagocytosize foreign material from blood passing through What is another term for enlargement of the spleen? splenomegaly 58. What is Hodgkin disease? 59 A malignant tumor of the lymph nodes . A cell that destroys abnormal cells by breaking down the cell’s membrane is called? Natural killer cells 60. What are the four classic symptoms of an inflammatory reaction? Heat, redness, swelling and pain ...
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