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': 'Uses of alpha 2 agonists are all EXCEPT \nSelect and explain. \nA. To produce sedation, B. Glaucoma, C. Benign hyperplasia of prostate, D. Hypeension', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alpha 2 antagonists like prazosin, tamsulosin are used in BPH, as they relax urinary bladder neck and the prostate capsule. All the others are the uses of alpha 2 agonists. From medical pharmacology Padmaja 4th edition page no 101,103', 'role': 'assistant'}]