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
All are true about Carvedilol except 
Select and explain. 
A. 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
C: It is a cardioselective β - blocker
Answer: C: It is a cardioselective β - blocker 
Explanation: Carvedilol blocks both β1 & β2 receptors and hence it is a non selective β - blocker.