The given diagram represents a signal nephron from a mammalian kidney. Identify which of the numbered regions is(i)The site of ultrafiltration(ii) Particularly sensitive to ADH(iii) The main site for the reabsorption of glucose and amino acid(iv) Largely responsible for the adjustment of blood pH

Medical

Biology

Function of Tubules

Question

The given diagram represents a signal nephron from a mammalian kidney. Identify which of the numbered regions is
(i)The site of ultrafiltration
(ii) Particularly sensitive to ADH
(iii) The main site for the reabsorption of glucose and amino acid
(iv) Largely responsible for the adjustment of blood pH

I - A, II - B, III - D, IV - E

I - A, II - B, III - C, IV - E

I - A, II - B,III - C, IV - D

I - A, II - E, III - C, IV - D

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(A) - Bowman's capsule is the site of ultrafiltration.

(B) - Collecting duct of the nephron is sensitive to ADH, large amount of water could be reabsorbed from this region to produce concentrated urine.

(C) - Proximal convoluted tubule, glucose, amino acids, fatty acids are completely reabsorbed by active transport in PCT.

(D) - Distal convoluted tubule, reabsorption of sodium, Bicarbonate takes place which adjusts blood PH.

The correct answer is (D)

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