HYPERSENSITIVITY
CLASSICAL ALTERNATE AND LECTIN PATHWAYS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What antibody or cell involved in Type IV hypersensitivity reaction?
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Ig G
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TH 1
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TH 2
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Basophil
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Macrophage
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Explanation:
Detailed explanation-1: -A Type IV hypersensitivity reaction is mediated by T cells that provoke an inflammatory reaction against exogenous or endogenous antigens.
Detailed explanation-2: -Type IV hypersensitivity is also known as delayed-type and involves of T-cell-mediated reactions. T-cells or macrophages are activated as a result of cytokine release, leading to tissue damage.
Detailed explanation-3: -Immediate hypersensitivity reactions are predominantly mediated by IgE, IgM, and IgG antibodies.
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