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Questions and Answers
Which type of hypersensitivity involves basophils and mast cells sensitized by IgE?
Which type of hypersensitivity involves basophils and mast cells sensitized by IgE?
- Type III
- Type IV
- Type II
- Type I (correct)
What is the mechanism of Type I hypersensitivity?
What is the mechanism of Type I hypersensitivity?
- Antigen-sp formation occurs during sensitization
- IgE binds to a specific allergen and chemical mediators are released from basophils and mast cells upon second exposure (correct)
- Delayed hypersensitivity occurs in Type IV hypersensitivity
- Basophils and mast cells are sensitized with IgE after the first exposure
Which type of hypersensitivity involves antibody-mediated destruction of cells or tissues?
Which type of hypersensitivity involves antibody-mediated destruction of cells or tissues?
- Type II (correct)
- Type I
- Type IV
- Type III
Which type of hypersensitivity involves immune complexes formed by antigen-antibody reactions?
Which type of hypersensitivity involves immune complexes formed by antigen-antibody reactions?
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Which type of hypersensitivity involves a delayed immune response mediated by T cells?
Which type of hypersensitivity involves a delayed immune response mediated by T cells?
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