Assertion (A): | Na+ reabsorption from glomerular filtrate occurs in PCT, ascending limb of loop of Henle and collecting duct |
Reason (R): | Na+ is always reabsorbed by passive process in PCT, ascending limb of loop of Henle and collecting duct |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
Assertion: | The ascending limb of loop of Henle is also called the diluting segment of the nephron. |
Reason: | In the ascending portion, the loop becomes impermeable to water and the cells of the loop actively reabsorb solutes from the luminal fluid. |