Physiology 68-years-old man weighing 60 kg has plasma creatinine 3mg/dL. What will be creatinine clearance? A 10 B 20 C 30 D 40 💡 Explanation 68-years-old man weighing 60 kg has plasma creatinine 3mg/dL. What will be creatinine clearance? ✓ Correct Answer: B. 20