NEET Biology question

The medullary gradient is mainly caused by

(A)NaCl and ureaCorrect
(B)H⁺ and K⁺
(C)Urea and K⁺
(D)Urea and H⁺

Answer: (A)

Solution

NaCl transported by the ascending limb of Henle's loop and urea diffusing from the collecting duct together establish the steep medullary interstitial

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Question ID VK-116602