The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Heroin, an addict drug contains   (A) ASA   (B) Acetyl morphine   (C) Pentazocine   (D) Propoxyphene
['(B) Acetyl morphine <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) ASA \n (B) Acetyl morphine \n (C) Pentazocine \n (D) Propoxyphene <> possible answers', '  Heroin, an addict drug contains <> context@']