Which of the Following Is TRUE About How Water Is

question 62

Multiple Choice

Which of the following is TRUE about how water is handled by the nephron?

• A) Water is filtered out of glomerular capillaries by bulk flow.
• B) Water is actively reabsorbed from the proximal tubule, and Na⁺ follows down its diffusion gradient.
• C) Water is actively secreted into the descending loop of Henle.
• D) The permeability of the ascending limb of the loop of Henle is modified by vasopressin.
• E) Vasopressin inserts pumps in the collecting duct membrane that move water against its concentration gradient.

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