3 Questions
What is responsible for the reabsorption of approximately 65% of the filtered sodium load in the proximal tubule?
Na,K-ATPase pump units
Which transporter couples sodium to the entry of glucose, amino acid, phosphate, and other organic molecules in the proximal tubule?
Glucose transporters
What is the quantitatively more significant mechanism for the entry of sodium in the proximal tubule?
Sodium-hydrogen exchanger (NHE-3)
Test your knowledge on the mechanisms of sodium reabsorption in the proximal tubule of the kidney. Explore the role of Na,K-ATPase pump units, cotransporters, and apical membrane transporters in this essential renal process.
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