This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidneys and Body Fluids, Subject name: Physiology
[{'content': 'The plasma clearance value of glucose in a diabetes mellitus patient will be \nSelect and explain. \nA. Zero, B. Equal to that of inulin clearance, C. Greater than that of PAH clearance, D. Greater than zero', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Greater than zero(Ref: Ganong, 25th ed/p.678)Diabetes mellitus is characterized by renal glycosuria. Glucose appears in urine. So, plasma clearance of glucose is greater than zero', 'role': 'assistant'}]