What Happens to Blood H+ Levels as Blood CO2 Levels

Question

What happens to blood H+ levels as blood CO2 levels rise?
A)Hydrogen ion levels decrease.
B)Blood becomes more alkaline.
C)Hydrogen ion levels increase.
D)Bicarbonate ions absorb the hydrogen ions.

Accepted Answer

As blood CO2 levels rise, it reacts with water to form carbonic acid, which dissociates into hydrogen ions and bicarbonate, increasing hydrogen ion levels and making the blood more acidic.