Vasopressin

a. can completely halt urine production during periods of water deprivation to conserve water for the body
b. activates the cyclic AMP second-messenger system within the tubular cells
c. renders the distal and collecting tubules impermeable to water
d. increases Na+ reabsorption by the distal portions of the nephron
e. stimulates cells of the ascending limb of the loop of Henle to establish the medullary vertical osmotic gradient


B

Anatomy & Physiology

You might also like to view...

Which of the following accurately compares sections of spinal white matter?

A.   A fasciculus is smaller than a funiculus. B.   A fasciculus is larger than a funiculus. C.   A fasciculus is smaller than a tract. D.   A fasciculus is larger than a tract.

Anatomy & Physiology

Which of the following is unique to meiosis?

nuclear membrane breaks down DNA organizes into chromosomes crossing-over chromosomes align along the central plate of the cell None of the choices are correct.

Anatomy & Physiology

Buffers help a living organism to maintain a constant pH value.?

Indicate whether the statement is true or false

Anatomy & Physiology

Which cardiac defect is not a defect seen in Tetralogy of Fallot?

A. VSD B. Right ventricular hypertrophy C. Aortic valve stenosis D. Overriding aorta

Anatomy & Physiology