Which of the Following Is FALSE About the Relationship Between

Which of the following is FALSE about the relationship between chloride (Cl^-) and bicarbonate HCO₃^- in acid-base balance?

A) For each Cl ion excreted into the urine, the blood gains an HCO₃ ion.
B) Blood Cl^- and HCO₃^- ion levels are reciprocally related.
C) People with chronically high CO₂ tend to have low blood Cl^- levels.
D) Activation of the NH₃ buffer system enhances Cl^- gain and HCO₃ loss.