This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology, Subject name: Forensic Medicine
[{'content': 'All are used in heroin poisoning EXCEPT \nSelect and explain. \nA. Clonidine, B. Buprenorphine, C. Pentazocine, D. Haloperidol', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e Haloperidol Niraj Ahuja gives a list of the following drug used in opium toxicity -Naloxone, Naltrexone]MethadoneClonidineLAAM (levo-alpha-acetyl methadol)PropoxypheneD' PhenoxylateBuprenorphineLofexidineThis leaves us with haloperidel & Pentazocine.I could not find which of them is used but my reason and intuition says to go with pentazocine.Pentazocine must have some use in heroin poisoning. Pentazocine is an opioid and if methadone, another opioid, can be used, so can pentazocine.", 'role': 'assistant'}]