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: Surgery
[{'content': 'Beta blockers that can be used in renal failure are all EXCEPT \nSelect and explain. \nA. Propranolol, B. Pindolol, C. Sotalol, D. Oxprenolol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sotalol Ref: KDT, (jh Edition, Page 136, 137 Lipid insoluble beta-blockers are excreted by the kidney and should be avoided in renal failure. These are: Not Soluble ABC Not - Nadolol Soluble - Sotalol A - Atenolol - Acebutolol B - Bisoprolol - Betaxolol C - Celioprolol', 'role': 'assistant'}]