Urea Is

question 76

Multiple Choice

Urea is

• A) secreted into the filtrate by cells of the distal convoluted tubule.
• B) diffuse out of the collecting ducts into the interstitial fluid of the medulla and then diffuse into the descending loop of Henle.
• C) completely reabsorbed by the nephron.
• D) actively transported into the filtrate by cells of the collecting duct.
• E) None of the choices are correct.

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