Human Anatomy Study Set 3
Quiz 24: Lymphatic System
Lymph nodes A)filter lymph. B)contain a network of collagen fibers. C)serve as auxiliary exchange surfaces for respiratory gases. D)filter blood. E)All of the choices are correct.
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What is the function of dendritic cells within lymph nodes? A)They initiate replication of macrophages. B)They conduct signals between activated T-lymphocytes to accelerate the immune response. C)They collect antigens and present them to T-lymphocytes. D)They secrete lymphatic hormones to stimulate adjacent lymph nodes. E)They absorb fluid when infected,causing the lymph nodes to swell and become tender to the touch.
When women with breast cancer undergo surgery to remove the tumor or the entire breast,the axillary lymph nodes are often removed as well.Why? A)In removing the breast,the blood supply to the nodes is removed and they will inevitably cease to function. B)The axillary lymph nodes receive lymph from the breast and may contain cancer cells. C)The nerves that supply the axillary lymph nodes are often cut during the breast surgery. D)It is impossible to remove the breast without physically damaging the lymph nodes. E)With the removal of the breast,there is no further need for lymph drainage and filtering in that part of the body.
Which lymphatic organ contains red pulp and white pulp? A)Thymus gland and lymph nodes B)Spleen and lymph nodes C)Lymph nodes D)Spleen E)Thymus gland
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