Most hydrogen ions are secreted
A)passively into the proximal convoluted tubule.
B)passively from the distal convoluted tubule.
C)actively into the entire renal tubule.
D)actively from the distal convoluted tubule.

Question

Quizplus · Accepted Answer

Hydrogen ions are primarily secreted actively into the renal tubule, particularly in the proximal convoluted tubule, distal convoluted tubule, and collecting ducts, to maintain acid-base balance.

Most Hydrogen Ions Are Secreted