Physiology In the formula for urea clearance, C = U x V/P, U denotes: A Urinary concentration in gm/24 hours B Urine osmolarity C Urinary concentration in mg/ml D Urine volume per minute 💡 Explanation In the formula for urea clearance, C = U x V/P, U denotes: ✓ Correct Answer: C. Urinary concentration in mg/ml