Active resorption of sodium ion occurs in: March 2008: (A) Ascending loop of henle, (B) Early distal tubule, (C) Proximal tubule, (D) All of the above
Answer is D. Ans. D: All of the above About 65% of the filtered electrolytes are absorbed in PCT actively Thin ascending loop of Henle: Passive diffusion of sodium Thick ascending loop of Henle: Active transpoation of sodium Early distal tubule: Similar propeies as that of thick ascending loop of Henle