Pharmacology Autonomic nervous system 85580af5 Edrophonium test is helpful in diagnosing A Marcus gunn jaw winking ptosis B myasthenia gravis C Blepharophismosis syndrome D parkinson's High-Yield Explanation Ref: HL Sharma 3rd ed pg no: 142 edrophonium is very sho acting which helps in differentiating myasthenia and cholinergic crisis