The Countercurrent Multiplier System

question 87

Multiple Choice

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) Both "has fluid flowing in parallel tubes in opposite directions" and "maintains the solute concentration of the medullary interstitial fluid" is correct.

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