Normally the Loop of Henle creates a roughly 200 mOsm gradient between the descending and ascending limbs, at each level of the loop. If a mutation or other issue reduces the ability to maintain this gradient, limiting the gradient to 100 mOsm at each level, what happens?
A. GFR will slow
B. Less water will be excreted in the urine
C. more water will be excreted in the urine
D. More sodium will be reabsorbed, over all