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
Which of the following drugs is used to reverse the effect of d-tubocurarineh - 
Select and explain. 
A. Atropine, B. Neostigmine, C. Physostigmine, D. Organophosphorus
B: Neostigmine
Answer: B: Neostigmine 
Explanation: 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".