Which of the following is not a feature of anaphylaxis ?
Correct answer: A. Delayed reaction
- A. Delayed reaction
- B. Immediate reaction
- C. passive transfer by serum
- D. None of the above
Explanation
Anaphylaxis is an immediate type I hypersensitivity reaction that can be passively transferred by serum containing IgE. A delayed reaction is characteristic of delayed-type hypersensitivity, not anaphylaxis.
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