Which of these statements applies to vasopressin
A)It can completely halt urine production during periods of water deprivation to conserve water for the body.
B)It increases Na⁺ reabsorption by the distal portions of the nephron.
C)It renders the distal and collecting tubules impermeable to water.
D)It activates the cyclic AMP second-messenger system within the tubular cells.

Question

Quizplus · Accepted Answer

Vasopressin activates the cyclic AMP second-messenger system within the tubular cells, which increases the permeability of the distal and collecting tubules to water, facilitating water reabsorption.

Which of These Statements Applies to Vasopressin