Process occurring in PCT to maintain pH of body fluid–

Secretion of

H^{+}

and secretion of

H C O_{3}^{-}

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Reabsorption of

H^{+}

and secretion of

H C O_{3}^{-}

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Reabsorption of

H^{+}

and

H C O_{3}^{-}

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Secretion of

H^{+}

and reabsorption

H C O_{3}^{-}

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Solution

The correct option is D Secretion of $H^{+}$ and reabsorption $H C O_{3}^{-}$
PCT helps to maintain the pH and ionic balance of the body fluids by selective secretion of hydrogen ions, ammonia and potassium ions into the filtrate and by absorption of bicarbonate ions from blood.

So, the correct answer is - secretion of $H^{+}$ and reabsorption $H C O_{3}^{-}$ .

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H^{+}, K^{+}

N a^{+}

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