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Question

Part of nephron involved in active reabsorption of sodium is

A
Descending limb of Henles loop
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B
Distal convoluted tubule
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C
Proximal convoluted tubule
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D
Bowmans capsule
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Solution

The correct option is C Proximal convoluted tubule
The proximal convoluted tubule is lined by simple cuboidal epithelium with brush border. The brush border increases the surface area for reabsorption. Nearly all of the essential nutrients and 70-80 percent of electrolytes and water are reabsorbed by this segment. It is a part of nephron involved in active reabsorption of sodium.
So, the correct answer is 'Proximal convoluted tubule'.

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