What Is the Function of Urea Reabsorption in the Collecting

question 34

Multiple Choice

What is the function of urea reabsorption in the collecting ducts of the kidney?

• A)It moves the urea into the ascending limb of the loop of Henle so that it can be excreted from there in the urine.
• B)It reduces the salinity of the renal medulla and thus helps regulate how much water is reabsorbed from the urine.
• C)It increases the osmotic concentration of the interstitial fluid in the renal medulla so that more water can be extracted from the urine.
• D)It restores the correct concentration of blood urea.

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