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Subjects/Physiology/Physiology
Physiology
medium
heart-pulse Physiology

In the formula for urea clearance, C = U x V/P, what does U stands for:

A. Urinary concentration in g/24 hour
B. Urinary concentration in mg/ml
C. Urine osmolarity
D. Urine volume per minute

Explanation

Ans: B. Urinary concentration in mg/ml(Ref: Ganong 25/p p676. 21/c p678)In given formula for measuring GFR:C = Clearance of the substanceU = Urinary concentration of the substance in mg/mlP = Plasma concentration of the substance in mg/mlV = Volume of urine

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