Biology · Excretory Products and their Elimination
Which of the following processes contributes most directly to maintaining the hyperosmotic nature of the renal medulla?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Filtration of protein-free plasma in the glomerulus
- 2Secretion of hydrogen ions in the distal tubule
- 3Passive diffusion of urea into the interstitium from the collecting duct✓
- 4Active reabsorption of glucose in the proximal tubule
Correct answer
Passive diffusion of urea into the interstitium from the collecting duct
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