By the time fluid reaches the ....., 90-95% of filtrate has been reabsorbed and returned to blood stream.

RENAL AND ACID BASE PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

By the time fluid reaches the ____, 90-95% of filtrate has been reabsorbed and returned to blood stream.

A	Collecting ducts
B	Early DCT
C	Late DCT
D	None of the above

Explanation:

Detailed explanation-1: -Approximately 80 percent of filtered water has been recovered by the time the dilute forming urine enters the DCT. The DCT will recover another 10–15 percent before the forming urine enters the collecting ducts.

Detailed explanation-2: -Over 70% the filtrate is reabsorbed here. In addition, many important solutes (glucose, amino acids, bicarbonate) are actively transported out of the proximal tubule such that their concentrations are normally extremely low in the remaining fluid.

Detailed explanation-3: -About 67 percent of the water, Na+, and K+ entering the nephron is reabsorbed in the PCT and returned to the circulation.

There is 1 question to complete.