This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'Which of the following drugs acts on trabecular mesh work and affects the aqueous outflow? \nSelect and explain. \nA. Timolol, B. Pilocarpine, C. Brimonidine, D. Brirzolamide', 'role': 'user'}, {'content': 'Answer: B \nExplanation: mode of action of ocular hypotensive drugs Pilocarpine is the only drug acting mainly on the trabecular meshwork pilocarpine- cholinomimetic ESSENTIALS OF MEDICAL PHARMACOLOGY;7TH EDITION; KD TRIPATHI;PAGE NO 154', 'role': 'assistant'}]