The High Osmolarity of the Renal Medulla Is Maintained by All

question 31

Multiple Choice

The high osmolarity of the renal medulla is maintained by all of the following except

• A) diffusion of salt from the thin segment of the ascending limb of the loop of Henle.
• B) active transport of salt from the upper region of the ascending limb.
• C) the spatial arrangement of juxtamedullary nephrons.
• D) diffusion of urea from the collecting duct.
• E) diffusion of salt from the descending limb of the loop of Henle.

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