Which of the following does NOT act to maintain the osmotic gradient necessary for the concentration of urine in mammals?
A) countercurrent flow at the loop of Henle
B) decreased hypothalamic signals leading to a decrease in ADH production
C) impermeability of the descending limb of the loop of Henle to Na+, Cl-, and other solutes
D) impermeability of the ascending limb of the loop of Henle to water
E) all of these
Correct Answer:
Verified
Q10: In reabsorption
A) plasma proteins are returned to
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