Physiology GFR of a diabetic person is 90 ml/min. Blood glucose is 200 mg/dl. Calculate urinary glucose excretion rate if the Tm for glucose is 150 mg/min A 20 mg/min B 30 mg/min C 40 mg/min D 50 mg/min 💡 Explanation GFR of a diabetic person is 90 ml/min. Blood glucose is 200 mg/dl. Calculate urinary glucose excretion rate if the Tm for glucose is 150 mg/min ✓ Correct Answer: B. 30 mg/min