Why Must Water That Has Moved to the Interstitial Fluid

question 15

Multiple Choice

Why must water that has moved to the interstitial fluid in the medulla be quickly removed from the interstitial fluid?

• A)to maintain an environment for transport of nutrients
• B)to prevent destruction of the concentration gradient necessary for water reabsorption
• C)to equilibrate the concentration of solutes in the cortex and medulla
• D)to prevent dilution of urine