The countercurrent multiplier system
A)is found in the collecting duct.
B)is assisted by hormones.
C)has fluid flowing in parallel tubes in opposite directions.
D)maintains the solute concentration of the medullary interstitial fluid.
E)has fluid flowing in parallel tubes in opposite directions and maintains the solute concentration of the medullary interstitial fluid.

Question

Quizplus · Accepted Answer

The countercurrent multiplier system has fluid flowing in parallel tubes in opposite directions and maintains the solute concentration of the medullary interstitial fluid. It does not require hormones and is found in the loops of Henle, not the collecting duct.

The Countercurrent Multiplier System