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: Ophthalmology
Shoest acting mydriatic drug is: March 2013 (e) 
Select and explain. 
A. Betamethasone, B. Atropine, C. Pilocarpine, D. Tropicamide
D: Tropicamide
Answer: D: Tropicamide 
Explanation: Ans. D i.e. Tropicamide