Question

A trauma patient with multiple rib fractures requires intubation and mechanical ventilation. Mechanical ventilation causes an increase in the patient’s vasopressin secretion and plasma levels. Which of the following is the effect of vasopressin on the kidney?

A

 Increased diameter of the renal artery

B

Increased glomerular filtration rate

C

Increased excretion of Na+ 

D

Increased excretion of water

E

Increased permeability of the distal nephron to water

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Answer 1

Answer:

option D. increase excretion of water.

Explanation:

The most important work of ADH/ Vasopressin is to prevent water loss from kidney. So effect on Vasopressin causes excess elimination of water from body.