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Related Flashcards
Cards In This Set
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What are the two types of adaptive defenses?
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What is cell-mediated immunity?
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T cells -defend against abnormal cells and pathogens inside cells -uses perforin and granzymes
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What is antibody-mediated (humoral) immunity?
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B cells -defends against pathogens (antigens) in the body fluids-uses antibodies
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Active adaptive immunity
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Antibodies develop AFTER exposure to antigenA B
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Passive adaptive immunity
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Antibodies are transferred from another source C D
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Naturally acquired active immunity A
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From environmental exposure to pathogens
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Artificially induced active immunity B
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Thought vaccines containing attenuated (weakened pathogens)
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Adaptive active
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Means your bode develops their own antigens
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Naturally acquired passive immunity C
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Antibodies acquired from mother
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Naturally induced ​passive immunity D
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By an injection of antibodies
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Adaptive passive
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Means the antibodies are pre-made
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Specificity
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Each T or B cells responds to a specific antigen-shape and size determine which lymphocyte responds
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Versatility
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Any antigen any time -active lymphocytes makes clone of itself that are sensitive to the same antigen
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Memory
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Tolerance
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Immune system ignored normal antigens -any b or ts that attack self are destroyed
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