Neostigmine can reverse the effect of muscle relaxants in all of the below conditions except: (A) Blockade by Non Depolarizing muscle relaxants, (B) Phase 1 block by Depolarizing muscle relaxants, (C) Phase 2 block by Depolarizing muscle relaxants, (D) All of the above
Answer is B. Neostigmine is an anticholinesterase used to reverse effects of muscle relaxants in all of the above conditions except for Phase 1 block by depolarizing muscle relaxants.