In penicillin allergy, penicillin acts as a_______________?

Correct answer: A. Hapten

  • A. Hapten
  • B. Carrier
  • C. Super antigen
  • D. Toxin

Explanation

Penicillin is a small molecule that becomes immunogenic after binding to a host protein, so it acts as a hapten. The host protein is the carrier, while penicillin alone is not a complete antigen.

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