Which of the following does not occur when antidiuretic hormone is present?
A. Water diffuses into the collecting duct from
the interstitial fluid.
B. The collecting duct walls become
permeable to water.
C. Aquaporins insert in the membrane of the
collecting duct cells.
D. The urine in the collecting duct becomes
more concentrated.
E. All of these events occur when antidiuretic
hormone is present.
A
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