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': 'Which of the following antiglaucoma drug can lead to drowsiness \nSelect and explain. \nA. Apraclonidine, B. Dipevefrine, C. Timolol, D. Brimonidine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Brimonidine is\xa0α2 - blocker used for glaucoma that depress CNS and can lead to drowsiness.\nIt can cross BBB and also lead to apnea in newborns.', 'role': 'assistant'}]