This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
A person was given a muscle relaxant that competively blocks nicotinic receptors which of the following drug is used for reversal of muscle relaxation after surgery ? 
Select and explain. 
A. PHYSOSTIGMINE, B. NEOSTIGMINE, C. CARBACHOL, D. SUCCINYL CHOLINE
B: NEOSTIGMINE
Answer: B: NEOSTIGMINE 
Explanation: Competitive blocker of nicotine receptor ---- d Tubocuropive Neostigmine is ACh esterase inhibitor it increases ACh at the synapse and competitive inhibition can be overcome. ref : KD TRIPATHI 8TH ED