The following are multiple choice questions (with answers) about medical knowledge.   **Question:** This specific sign is seen in:   (A) Lead poisoning   (B) Organophosphorus poisoning   (C) Arsenic poisoning   (D) Zinc poisoning
['(C) Arsenic poisoning <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Lead poisoning \n (B) Organophosphorus poisoning \n (C) Arsenic poisoning \n (D) Zinc poisoning <> possible answers', '  This specific sign is seen in: <> context@']