This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: A.N.S., Subject name: Pharmacology
[{'content': 'Which of the following drug is a third generation b-blocker? \nSelect and explain. \nA. Propanolol, B. Timolol, C. Nadolol, D. Nebivolol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. NebivololThird gen Blockers - B blocker with vasodilator property are useful for hypertension and CHFa. a Blockade- Labetalol, Carvedilolb. b2 Agonist- Celiprololc. Antioxidant- Carvedilold. NO donor- Nebivolole. Ca Channel Blocker- Carvedilolf. K Channel Blocker- Tilosolol', 'role': 'assistant'}]