Buprenorphine on opioid receptors is:: (A) Pure agonist, (B) Pure antagonist, (C) Paial agonist, (D) None
Answer is C. Pure morphine like opioids in general acts on Mu and K receptors. Mixed agonists-antagonists: Nalorphine Butorphanol Pentazocine Paial agonists: Buprenorphine Pure competitive opioid antagonists Naloxone Naltrexone Nalmefene Ref: K.D.T 6th Ed Page 464.