In which segment of the nephron does tubular fluid has the highest osmolarity ?
Correct answer: B. Henle's loop
- A. Distal tubule
- B. Henle's loop
- C. Proximal tubule
- D. Collecting duct
Explanation
Tubular fluid becomes most concentrated as it descends through the water-permeable limb of Henle into the hyperosmotic medulla, reaching its maximum near the loop bend. The distal tubule normally contains relatively dilute fluid.
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