Which segment of the nephron is impermeable to water but actively transports sodium chloride?
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Correct answer: Ascending limb of loop of Henle
The thick ascending limb actively reabsorbs sodium chloride but is impermeable to water. This property is essential for generating the medullary osmotic gradient.
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More Urine Concentration and Dilution questions
- The descending limb of the loop of Henle is characterized by:
- Antidiuretic hormone (ADH) primarily increases water permeability in the:
- In the absence of ADH, the kidney produces urine that is:
- Which substance contributes significantly to the medullary osmotic gradient?
- Urea recycling mainly occurs between the:
- The countercurrent exchanger function is performed by the: