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Ap chap 20
lymphatic
| Question | Answer |
|---|---|
| which of the following is not a method that maintains lymph flow? | smooth muscle contraction |
| the lymphatic capillaries are ____ | more permeable than blood capillaries |
| which cells become immunocompetent due to thymic hormones? | lymphocytes |
| the thymus is most active during ___ | childhood |
| the tonsils located at the base of the toungue are the ____ | lingual tonsils |
| the distal portion of the small intestine contains clumps of lymphy follicles called____ | peyers patches |
| lymph leaves a lymph node via___ | efferent lymphatic vessels |
| which of he following is not a normal component of lymph? | red blood cells |
| which of the following are functions of lyumpohoid tissue? | furnish an ideal survelliance vantage oint for lymphocytes and macrophages. house and provide a proliferation site for lymphocytes |
| lymph capillaries are absent in all but which of the following? | digestive organs |
| what is bubo? | an infected lymph node |
| lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a | tonsil |
| select the correct statement about lympohoid tissue | lymphoid tissue is predominantly reticular connective tissue |
| which of the following is not a function of the lymphatic system? | transporting respiratory gases |
| which of the following would not be classified as a lymphatic structure? | pancreas |
| select the correct statement about lymphocytes | b cells produce plasma cells which serete antibodies into the blood |
| antibodies that act against a particular foreign substance are released by___ | plasma cells |
| the thymus is the only lymphoid organ that does not | directly fight antigens |
| which of the following is not a mucosa associated lymphatic tissue | thymus |
| functions of the spleen include all of those below except___ | forming crypts that trap bacteria |
| peyers patches are found in the | ileum of the small intestitne |
| which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax? | right lymphatic duct |
| select the correct statement about lymph transport | lymph transport depends on the movement of adjacent tissues such as skeletal muscles |
| which of the following is not a function of lymph nodes? | produce lymph fluid and cerebro spinal fluid |
| large clusters of lymph nodes occur in all of the following locations except the | lower extremities |
| both lymph and venous blood flow are heavily dependent on___ | skeletal muscle contractions and differences in thoracis pressures due to respiratory movement |
| small organs associated with lymphatic vessels are termed | lymph node |
| digestive tract associated lymphatic tissue includes all of the following except ___ | islets of langerhans |
| when the lymphatic structures are blocked due to tumors, the result is | severe localized edema distal to the blockage |
| a sentinel node is | the first node to receive lymph from an area suspected to be cancerous |
| what effect does age have on the size of the thymus? | the thymus initially increases in size and then decreases in size from adolescence through old age. |
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