The passive reabsorption of urea is indirectly linked to the active reabsorption of:
A)potassium
B)chloride
C)sodium
D)glucose
E)phosphorus

Question

The passive reabsorption of urea is indirectly linked to the active reabsorption of:​
A)​potassium
B)chloride
C)sodium
D)glucose
E)​phosphorus

Quizplus · Accepted Answer

The passive reabsorption of urea occurs in the collecting ducts of the kidney, where it is indirectly linked to the active reabsorption of sodium. This is because the movement of sodium ions creates an osmotic gradient that drives the passive diffusion of urea out of the collecting ducts and into the renal interstitium. Urea contributes to the osmotic gradient that helps to concentrate urine, which is important for maintaining homeostasis and conserving water in the body.

The Passive Reabsorption of Urea Is Indirectly Linked to the Active