The increase in osmolarity from outer to inner medullary interstitium is maintained due to:

(i) Close proximity between Henle's loop and vasa recta

(ii) Counter current mechanism

(iii) Selective secretion of \( \mathrm{HCO}_{3}^{-} \)and hydrogen ions in PCT

(iv) Higher blood pressure in glomerular capillaries

[Re-NEET 2020]

Question

The increase in osmolarity from outer to inner medullary interstitium is maintained due to:

(i) Close proximity between Henle's loop and vasa recta

(ii) Counter current mechanism

(iii) Selective secretion of \( \mathrm{HCO}_{3}^{-} \)and hydrogen ions in PCT

(iv) Higher blood pressure in glomerular capillaries

[Re-NEET 2020]

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The increase in osmolarity from outer to inner medullary interstitium is maintained due to: (i) Close proximity between …