How and where are the largest quantity of hydrogen ions secreted?
A) Passively into the proximal convoluted tubule
B) Passively into the distal convoluted tubule
C) Actively into the proximal convoluted tubule
D) Actively into the distal convoluted tubule
E) Passively into the collecting duct

Question

Quizplus · Accepted Answer

Hydrogen ions are actively secreted into the proximal convoluted tubule by the H+/K+-ATPase pump.

How and Where Are the Largest Quantity of Hydrogen Ions