This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
[{'content': 'True about phenylephrine is: \nSelect and explain. \nA. Hypotension, B. Cardiac depression, C. Increase peripheral resistance, D. Increase IOT by constricting ciliary body B-V', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: c (Increases peripheral resistance) KDT, 5 ed, p. 127Phenylephrine is a selective alpha 1 agonist.It causes vasoconstriction and therefore increases BP.No cardiac action.HR decreases due to reflex bradycardia.Mydriatic with no cycloplegia. Therefore preferred in elderly.Reduces IOT by constricting ciliary body blood vessels.Use: Orally administered nasal decongestant.', 'role': 'assistant'}]