How Is Blood PH Altered by Blood Carbon Dioxide Levels

Multiple Choice

How is blood pH altered by blood carbon dioxide levels?

A) As blood CO2 goes up, hydrogen ion concentration increases, and pH will go down.
B) As blood CO2 goes up, hydrogen ion concentration increases, and bicarbonate ions increase.
C) As blood CO2 goes down, hydrogen ion concentration increases, and pH will go up.
D) As blood CO2 goes down, hydrogen ion concentrations decrease the pH by increasing bicarbonate ions.