In the ascending limb of Henle's loop, the filtrate becomes
ADiluted by electrolyte reabsorption
BUnchanged in osmolarity at all
CEnriched in glucose and amino acid
DConcentrated by water reabsorption
Answer & Solution
Correct answer: A. Diluted by electrolyte reabsorption
Ascending limb actively or passively transports NaCl out of the filtrate without water following; the filtrate becomes dilute (hypoosmotic) while contributing to the hyperosmotic medullary interstitium.
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