Which of the following diagrams is correct wi | vedclass

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(B) In the proximal convoluted tubule $(PCT)$,reabsorption of $HCO_3^-$,$NaCl$,and $H_2O$ occurs,while $H^+$ and $NH_3$ are secreted into the filtrate

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(B) In the proximal convoluted tubule $(PCT)$,reabsorption of $HCO_3^-$,$NaCl$,and $H_2O$ occurs,while $H^+$ and $NH_3$ are secreted into the filtrate to maintain $pH$ and ionic balance.In the distal convoluted tubule $(DCT)$,conditional reabsorption of $Na^+$ and $H_2O$ occurs,and there is selective secretion of $H^+$ and $K^+$ ions and $NH_3$ to maintain $pH$ and sodium-potassium balance in the blood.Comparing the options,Diagram $B$ correctly represents the reabsorption and secretion processes in both the proximal $(P)$ and distal $(D)$ tubules as per standard physiological models.

Which of the following diagrams is correct with regard to the proximal $(P)$ and distal $(D)$ tubule of the Nephron?

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