Medicine In chronic respiratory alkalosis, HCO3- falls by _____ mmol/L for every 10 mm Hg decrease in C02 A 1 B 2 C 3 D 4 💡 Explanation In chronic respiratory alkalosis, HCO3- falls by _____ mmol/L for every 10 mm Hg decrease in C02 ✓ Correct Answer: D. 4