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': 'All are true about Carvedilol except \nSelect and explain. \nA. Used in chronic congestive heart failure, B. It also has antioxidant & anti - inflammatory properties, C. It is a cardioselective β - blocker, D. β - blockers are started at low doses and gradually increased till maximum recommended dose', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Carvedilol blocks both\xa0β1 &\xa0β2 receptors and hence it is a non selective\xa0β - blocker.', 'role': 'assistant'}]