This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': 'Dimercaprol is/are used in poisoning with -a) Pbb) Hgc) Asd) Acetaminophene) Iron \nSelect and explain. \nA. abc, B. bc, C. acd, D. bcd', 'role': 'user'}, {'content': 'Answer: A \nExplanation: BAL (dimercaprol) can be used in lead (as adjuvant), mercury and arsenic poisoning. It is contraindicated in iron poisoning.', 'role': 'assistant'}]