The graph below can be used to understand the forces underlying the movement of fluid between the blood and the interstitial fluid. What is a true statement concerning these processes?
A. In people suffering from severe liver disease or protein starvation, the fluid flow in region B is increased.
B. Sodium ions contribute significantly to the movement of fluid in region B.
C. Edema results from reduction of fluid flow in region A.
D. Fluid leaves the blood in region A and returns to the blood in region B.
E. Normally, the net amount of fluid flow in region A is less than the net amount of fluid flow in region B.
Answer: D
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