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
[{'content': 'Drug commonly used in the treatment of iridocyclitis is \nSelect and explain. \nA. Phenylephrine, B. Atropine, C. Darifenacin, D. Solifenacin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Atropine is used in iridocyclitis to break adhesions in the uveal tract Ref: KDT 6th ed pg 116', 'role': 'assistant'}]