Question

1. In the following figure, if the blood entering the unit flows at the rate of 220 mL/min, and the blood exiting the unit flows at the rate of 215 mL/min, (a) how much water and urea (the main waste product) pass into the dialysate if the entering concentration of urea is 2.30 mg /mL and the exit concentration of urea is 1.70 mg/mL? (5pt)

(b) At the same condition, if the dialyzing fluid flows into the unit at the rate of 1500 mL/min, what is the concentration of the urea in the dialysate (out)? (5pt)

Answer 1