This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Diagnosis of Myasthenia Gravis is by using - \nSelect and explain. \nA. Edrophonium, B. Neostigmine, C. Succinylcholine (SCh), D. Atropine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Edrophonium Edrophonium (anticholinesterase) injected slowly i.v improves muscle strength only in myaesthenia gravis and not in other muscular dystrophies.", 'role': 'assistant'}]