Multiple choice

In which part of a nephron does most reabsorption take place?

  1. loop of Henle

  2. distal convoluted tubule (DCT)

  3. proximal convoluted tubule (PCT)

  4. renal cortex
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The proximal convoluted tubule (PCT) is the site where the vast majority of reabsorption occurs in the nephron. It reabsorbs approximately 65% of the water, sodium, and potassium from the filtrate, along with virtually 100% of glucose and amino acids.

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