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': 'Mees lines are characteristic of which poisoning? \nSelect and explain. \nA. Phosphorus, B. Arsenic, C. Lead, D. Thalliam', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Mes line(Aldrich mees line) are very charactristic of Arsenic poisoning.They are white bands of opacity in the nails of fingers and toes.', 'role': 'assistant'}]