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': 'Ferric chloride test is positive in ? \nSelect and explain. \nA. Penicillin overdose, B. Salicylate overdose, C. Dhatura poisoning, D. Cannabis poisoning', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Salicylate overdose Ferric Chloride test Is used to diagnose cases of Carbolic acid/ phenol and salicylate overdose. Adding few drops of 10% ferric chloride solution to 1 ml of sample produces a blue color indicating a positive test", 'role': 'assistant'}]