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Question

Major part of the reabsorption takes place in the of the nephrons.

A
DCT
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B
PCT
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C
Ascending limb
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D
Descending limb
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Solution

The correct option is B PCT
The first part of the nephron, just after the Bowman's capsule, is the proximal convoluted tubule. Brush border cells with multiple microvilli and a massive amount of mitochondria line this tube. This portion of the tubule is one of the largest contributors to electrolyte and water reabsorption. Around 65% of sodium and water and a little less chloride are filtered out of the plasma and are reabsorbed into the vasa recta in this section.

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