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: Pharmacology
[{'content': 'Which of the following drugs is used to reverse the effect of d-tubocurarineh - \nSelect and explain. \nA. Atropine, B. Neostigmine, C. Physostigmine, D. Organophosphorus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Neostigmine o D-tubocurarine is a competitive neuromuscular blocker. o Anticholinesterases are used to reverse the action of competitive neuromuscular blocker. o "Neostigmine is an anticholinesterase which is almost routinely used after pancuromium and long acting blocker to hasten the recovery at the end of operation".', 'role': 'assistant'}]