Which of the following labelled parts in the given figure is/are involved in the pH and ionic balance of the body fluids?

P and R

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P, Q and S

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Q only

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P, R and S

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Solution

The correct option is C P, R and S
The correct answer is D.
P) Reabsorption takes place mainly in the proximal convoluted tubule of the nephron . Nearly all of the water, glucose, potassium, and amino acids lost during glomerular filtration reenter the blood from the renal tubules.
R) DCT maintains pH and ionic balance in the blood by reabsorption of Na+ , water and HCO3 and selective secretion of H+, K+ and NH3.
S) Collecting duct plays a role in the maintenance of pH and ionic balance of blood by reabsorption of water, and selective secretion of H+ and K+ ions.

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Similar questions

Given alongside is the figure of certain organs and associated parts in the human body. Study the same and answer the questions that follow :

(a) Name all the organ-systems shown completely or even partially.

(b) Name the parts numbered 1 to 5.

(d) Name the two main organic constituents of the fluid that flows down the part labelled '3'.

(e) Name the two major steps involved in the formation of the fluid that passes down the part labelled '3'.

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