The Mechanism for Producing Concentrated Urine Involves

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