The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In penicillin allergy, penicillin acts as a:   (A) Hapten   (B) Carrier   (C) Super antigen   (D) Toxin
['(A) Hapten <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hapten \n (B) Carrier \n (C) Super antigen \n (D) Toxin <> possible answers', '  In penicillin allergy, penicillin acts as a: <> context@']