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Chapter 14 (14.1-14.2 (In general, lymphocytes (spend little time in the…
Chapter 14
14.1-14.2
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Lymph nodes
monitor the contents of lymph by removing debris and pathogens, and act as a check station for cancer cells
In general, lymphocytes
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spend little time in the blood, have a relatively long life span, and are not evenly distributed in the ;ymphoid tissues
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The spleen
is the largest lymphoid organ, contains nodules similar to other lymphoid nodules, contains lymphocytes,
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14 .5-14.6
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in order for a lymphocyte to respond to an antigen, the antigen must
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immunoglobulins that are the largest class and are mainly responsible for resistance against viruses, bacteria, and bacterial toxins are
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immunoglobulins that attach to the mast cells and basophils and are involved in allergic reactions are
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the immunoglobulin is responsible for defense against many viruses, bacteria, and bacterial toxins
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the chemical mediators responsible for killing tumor fcells, stimulating t cell activity, and inhibiting parasites and viruses are termed
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14.4
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in active artificial immunity,
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in an experimental situation, a virus is injected into a rabbit and the rabbit is allowed to make antibodies for the viral antigen. These antibodies are then removed from the rabbit plasma and injected into a human to help deal with the same viral disease. This would be an example of
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14.7-14.8
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with advancing age, the immune system
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