This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
which of the following beta blocker is contraindicated in renal failure ? 
Select and explain. 
A. betaoxolol, B. celiprolol, C. pindolo, D. labetelol
A: betaoxolol
Answer: A: betaoxolol 
Explanation: betablockers not given in renal failure : betaxolol acebutolol nadolol atenolol nebivolol ref : kd tripathi 8th ed