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PT 7 Unit 3 Terms
Question | Answer |
---|---|
Ability to resist effects of a communicable disease | Immunity |
Temporary immunity provided by antibodies trasmitted from mother to fetus, or via breast milk to an infant. Also produced by administering a vaccine | Passive Immunity |
Long term resistance produced by being exposed to the disease | Active Immunity |
Substances that stimulate production of antibodies. Human body recognizes substances as foreign and develops means to destroy | Antigen |
Toxin (poison) treated with chemicals to weaken its effect, but able to stimulate antibody formation | Toxoid |
Serum taken from animals that have immunity against specific diseases e.g. Tetanus and Botulism antitoxin. Antitoxin destroys the toxin made by the bacteria, but does not kill bacteria or stimulate antibody production | Antitoxin |
Type of lymph cells that help to destroy foreign cells. Helper T Cells, B Cells and Macrophages are 3 types of | Lymphocyte |
2 types of lymphocytes | Helper T Cells & B Cells |
Function is to filter large amount of blood cells as they reach the end of their life cycle. Macrophages within the spleen help in the removal of cellular debris | Spleen |