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Questions and Answers
Which type of hypersensitivity reaction is commonly called allergy?
Which type of hypersensitivity reaction is commonly called allergy?
- Type IV
- Type II
- Type III
- Type I (correct)
What type of antibodies mediate Type II hypersensitivity reactions?
What type of antibodies mediate Type II hypersensitivity reactions?
- IgM and IgE
- IgG and IgM (correct)
- IgD and IgE
- IgA and IgE
What is the general mechanism of Type I hypersensitivity reaction?
What is the general mechanism of Type I hypersensitivity reaction?
- Exposure to an allergen activates T cells to form IgE-secreting plasma cells
- Exposure to an allergen activates B cells to form IgE-secreting plasma cells (correct)
- Exposure to an allergen activates T cells to form IgG-secreting plasma cells
- Exposure to an allergen activates B cells to form IgG-secreting plasma cells
What are the antigens that stimulate Type I hypersensitivity reactions called?
What are the antigens that stimulate Type I hypersensitivity reactions called?
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In Type III hypersensitivity reactions, what forms immune complexes with antigens?
In Type III hypersensitivity reactions, what forms immune complexes with antigens?
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