In the Proximal Tubule, Hydrogen Ions Are Transported into the Filtrate

question 37

Multiple Choice

In the proximal tubule, hydrogen ions are transported into the filtrate by

• A)Na+/H+countertransporters only.
• B)H+ primary active transporters only.
• C)H+/Cl- cotransporters only.
• D)both Na+/H+ countertransporters and H+ primary active transporters.
• E)both Na+/H+ countertransporters and H+/Cl- cotransporters.

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