This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Diagnosis of myasthenia gravis is done by using 
Select and explain. 
A. Edrophonium, B. Neostigmine, C. Succinylcholine, D. Atropine
A: Edrophonium
Answer: A: Edrophonium 
Explanation: (Ref: KDT 6/e p104) Myasthenia gravis can be differentiated from cholinergic crisis with the help ot a sho acting anticholinesterase agent, edrophonium. It improves the symptoms in mvasthenia gravis whereas worsens the condition in cases of cholinergic crisis. Neostigmine is used for the treatmet of myasthenia.