Type Iv Hypersensitivity

Type Iv Hypersensitivity

Type Iv Hypersensitivity Introduction Cell-Mediated) Reactions/Delayed-type hypersensitivity/antibody-independent Involve reactions by memory cells. First contact sensitizes person. Subsequent contacts elicit a reaction. Reactions are delayed by one or more days (delayed type hypersensitivity). Delay is due to migration of macrophages and T cells to site of foreign antigens. Reactions are frequently displayed on the skin:  itching, […]

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Type Iv Hypersensitivity

TYPE IV HYPERSENSITIVITY Q. 1 Which of the following principally mediates delayed type hypersensitivity?  A Cytotoxic T cells, TH1 cells, and macrophages  B IgE, basophils, and mast cells  C IgG and complement  D IgG, IgM, neutrophils, and macrophages Q. 1 Which of the following principally mediates delayed type hypersensitivity?  A Cytotoxic T cells, TH1 cells,

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