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Questions and Answers
What is responsible for the reabsorption of approximately 65% of the filtered sodium load in the proximal tubule?
What is responsible for the reabsorption of approximately 65% of the filtered sodium load in the proximal tubule?
- Na,K-ATPase pump units (correct)
- Sodium-hydrogen exchanger (NHE-3)
- Amino acid transporters
- Glucose transporters
Which transporter couples sodium to the entry of glucose, amino acid, phosphate, and other organic molecules in the proximal tubule?
Which transporter couples sodium to the entry of glucose, amino acid, phosphate, and other organic molecules in the proximal tubule?
- Phosphate transporters
- Sodium-hydrogen exchanger (NHE-3)
- Na,K-ATPase pump units
- Glucose transporters (correct)
What is the quantitatively more significant mechanism for the entry of sodium in the proximal tubule?
What is the quantitatively more significant mechanism for the entry of sodium in the proximal tubule?
- Phosphate transporters
- Amino acid transporters
- Sodium-hydrogen exchanger (NHE-3) (correct)
- Na,K-ATPase pump units
