This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Medicine
[{'content': 'All are indications for dialysis in a case of acute renal failure except: \nSelect and explain. \nA. Uremia, B. Hyponatremia, C. Hyperkalemia, D. Metabolic acidosis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans: B (Hyponatremia) Ref: Harrison's principles of Internal Medicine. 18th edition. 2012. Chapter 279.Explanation:Indications for Dialysis in ARFVolume overload,Hyperkalemia.Metabolic acidosis,In some toxic ingestionsSevere complications of uremia (asterixis, pericardial rub or effusion, encephalopathy, uremic bleeding).", 'role': 'assistant'}]