Anaesthesia All are opioid agonist – antagonist compounds except – a) Buprenorphineb) Nalbuphinec) Pentazocined) Nalmefenee) Papaverine A ab B bc C cd D de 💡 Explanation All are opioid agonist - antagonist compounds except – a) Buprenorphineb) Nalbuphinec) Pentazocined) Nalmefenee) Papaverine ✓ Correct Answer: D. de