This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Anatomy
[{'content': 'Renal replacement therapy replaces all except - \nSelect and explain. \nA. Endocrine function, B. Urine output, C. Blood biochemistry, D. Ultrafiltration', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Renal replacement therapy does not replace the endocrine and metabolic functions of the kidney . It maintains plasma biochemistry (uraemic toxins, electrolytes acid base) It also removes fluid from the circulation (ultrafiltration) to maintain the plasma volume. Ref Harrison20th edition pg 290', 'role': 'assistant'}]