Which of the following events occurs in the descending limb of loop of Henle?
- A70-80% of electrolytes and water are reabsorbed by this segment
- BIt is permeable to water but almost impermeable to electrolytes. This concentrates the filtrate as it moves down
- CReabsorption of HCO₃⁻ and selective secretion of hydrogen and potassium ions and NH₃ to maintain the pH
- DIt is impermeable to water but allows the transport of electrolytes actively or passively
✓ Correct answer: B
Want the full step-by-step reasoning?