This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Psychiatry
[{'content': 'Buprenorphine drug is a type of \nSelect and explain. \nA. Mu paial agonist, B. Mu agonist, C. Mu paial antagonist, D. Mu antagonist', 'role': 'user'}, {'content': "Answer: A \nExplanation: Opioid receptor Agonist / Narcotics: used in pain management, treatment for opiate addiction Methadone - u agonist Buprenorphine- paial u agonist, weak kantagonist. Overdosage: can occur with Methadone, less likely with Buprenorphine (paial agonist) Drug Action Uses Buprenorphine* paial u agonist, weak k antagonist pain management opiate addiction Bupropion * Norepinephrine reuptake inhibitor Antidepressant (with minimal sexual dysfunction) , Smoking cessation Buspirone * 5-HT paial agonist, D2 agonist/antagonist Generalized anxiety disorder Opioid antagonist uses Naloxone *Inactive orally t1/2- 1hr Morphine poisoning Naltrexone Active orally t1/2- 1-3 hr Opioid, alcohol dependence Nalmefene Active orally t1/2- 8-10hr Opioid, alcohol dependence Reference: Page No.3174 31.24 Opioid Receptor Agonists: Methadone and BuprenorphineKaplan & Sadock's Comprehensive Textbook of Psychiatry, 9th Ed", 'role': 'assistant'}]