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Physiology

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Kidney

Question
8 out of 19
 

Active potassium excretion occurs at: (LQ)



A Proximal convoluted tubule

B Distal convoluted tubule

C Ascending loop of Henle

D Descending loop of Henle

Ans. B Distal convoluted tubule

Much of the filtered K+ is removed from the tubular fluid by active reabsorption in the proximal tubules, and K+ is then secreted into the fluid by the distal tubular cells In the distal tubules Na+ is generally reabsorbed and K+ is secreted.

Kidney Flashcard List

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