The Mechanism for Producing Concentrated Urine Involves

question 21

Multiple Choice

The mechanism for producing concentrated urine involves

• A) the secretion of antidiuretic hormone (ADH).
• B) aquaporins being inserted into the membranes of the collecting duct cells.
• C) a high concentration of NaCl in the interstitial fluid that surrounds the collecting ducts.
• D) a properly functioning nephron loop (loop of Henle).
• E) all of the above

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