7a. ADH
a. increases the permeability of the distal wall to water, andincreases urine volume.
b. increases the permeability of the distal wall to water, anddecreases urine volume.
c. decreases the permeability of the distal wall to water, andincreases urine volume.
d. decreases the permeability of the distal wall to water, anddecreases urine volume.
7b. Normal concentrations of potassium ions in glomerularfiltrate is much lower than that in urine. Which of the followingPOSITIVELY contribute to this difference (enlarge the difference).(Note: this question has two correct answers. You need to chooseboth for the points)
A. water reabsorption
B. potassium reabsorption
C. potassium secretion
D. sodium secretion
