Immunoglobulin implicated in atopy and anaphylaxis is_______________?
Correct answer: A. IgE
- A. IgE
- B. IgM
- C. IgG
- D. IgA
Explanation
IgE binds mast cells and basophils and triggers histamine release during immediate hypersensitivity, including atopy and anaphylaxis. IgG, IgM, and IgA have other major roles and are not the principal antibodies in these reactions.
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