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: Anaesthesia
Best antagonist of morphine is – 
Select and explain. 
A. Nalorphine, B. Naloxone, C. Buprenorphine, D. Pentazocine
B: Naloxone
Answer: B: Naloxone 
Explanation: Naloxone is the preferred specific antidote for morphine poisoning.