This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypeension, Arrhythmias, Dyslipidemia, Subject name: Pharmacology
All of the following statements about beta blockers are true except? 
Select and explain. 
A. Nebivilol is a cardioselective beta blocker, B. Cardio selective beta blockers are relatively safe in asthma, C. Beta blockers are contraindicated in acute CHF, D. Atenolol is safe in renal failure
D: Atenolol is safe in renal failure
Answer: D: Atenolol is safe in renal failure 
Explanation: Cardio selective beta blockers: Esmolol (shoest acting, metabolized by pseudo cholinesterase) Betaxolol (reduces IOP, used in glaucoma) Atenolol (water soluble beta blocker, C/I in renal failure) Acebutolol & celiprolol (paial agonist) Metoprolol (cardio selective beta blocker) Cardio selective beta blockers are safe in asthma, PVD & DM Uses of cardio selective beta blockers:- Hypeension- Classical angina (C/I in variant angina)- MI- Chronic CHF (C/I in acute CHF)- Arrhythmia