In which of the following locations is filtrate osmolality highest?
A) End of proximal convoluted tubule
B) Tip of the loop of Henle
C) End of distal convoluted tubule
D) Beginning of distal convoluted tubule
E) Descending loop of Henle

Question

Quizplus · Accepted Answer

The tip of the loop of Henle, particularly in the juxtamedullary nephrons, is where filtrate osmolality reaches its highest due to the counter-current multiplier mechanism, which concentrates the urine as it descends deeper into the medulla of the kidney.

In Which of the Following Locations Is Filtrate Osmolality Highest