Question

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

I. Diffusion of salt from the ascending limb of the loop of Henle

II. Active transport of salt from the upper region of the ascending limb

III. The spatial arrangement of juxtamedullary nephrons

IV. Diffusion of urea from the collecting duct

V. Diffusion of salt from the descending limb of the loop of Henle

• A. Only I
• B. Only V
• C. IIII and IV
• D. I and V

Answer 1

Answer: (A)

Only I