What happens to the tubular secretion when the extracellular fluid becomes too acidic?
A) No ionic substance is affected.
B) Hydrogen ions decrease.
C) Hydrogen ions increase.
D) Sodium ions decrease.

Question

Quizplus · Accepted Answer

When the extracellular fluid becomes too acidic, the tubular secretion of hydrogen ions by the kidneys increases in an attempt to restore the body's pH balance. This is done by excreting excess hydrogen ions into the urine.

What Happens to the Tubular Secretion When the Extracellular Fluid