In General, When the Nonbicarbonate Buffer Concentration Is Normal, an Acute

In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO₂ rise of 10 mm Hg will be associated with which of the following changes?

A) [HCO₃^-] rises by approximately 10 mEq/L.
B) [HCO₃^-] rises by approximately 5 mEq/L.
C) [HCO₃^-] rises by approximately 2 mEq/L.
D) [HCO₃^-] rises by approximately 1 mEq/L.