Micro & Immunology · single question
Anaphylaxis is which type of hypersensitivity?
Show answer and explanation
Correct answer: A. Type I
- A. Correct. Anaphylaxis is the systemic form of IgE/mast cell-mediated Type I immediate hypersensitivity.
- B. Incorrect. Type II = antibody-mediated cytotoxic (e.g., transfusion reaction).
- C. Incorrect. Type III = immune complex (e.g., serum sickness).
- D. Incorrect. Type IV = delayed T-cell (e.g., contact dermatitis, TB skin test).
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