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: Medicine
[{'content': 'Microalbuminuria is defined as- \nSelect and explain. \nA. 0.3-0.5 g of 24 hours urine protein, B. 0.03-0.3 g of 24 hours protein, C. 0.03-0.3 g of 24 hours urine albumin, D. > 2.5 g of 24 hours urine protein', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref:Harrison 20th edition pg no. 2134 Albumin is detected by radioimmunoassay. Albumin /creatinine (mg/g) 24h urine protein (mg/24h) 24 hr albumin(mg/24h) Normal <30 <150 8-10 Microalbuminiuria 30-300 - 30-300 Proteinuria >300 >150 >300 Ref Harrison20th edition pg 267', 'role': 'assistant'}]