This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Myaesthenia gravis is diagnosed by (REPEAT) 
Select and explain. 
A. Succinylcholine, B. Neostigmine, C. Atropine, D. Tensilon
D: Tensilon
Answer: D: Tensilon 
Explanation: Tensilon is also known as edrophonium .as it is sho acting it is used to diagnose or differentiate the cause of muscle paralysis-cholinergic vs myasthenia crisis Ref: KDT 6th ed pg 104