Drug used in aneliorative test for Myasthenia gravis is: (A) Physostigmine, (B) Edrophonium, (C) Tacrine, (D) Pyridostigmine
Answer is B. Drug used in amellorative test (tensilon test) for myasthena gavis is edrophonium. It is a cholinergic drug and can be used for diagnosis of myasthenia gravis becaise of its sho duration of action (10-30 min) Ref-KDT 6/e p104