The Nurse Correlates Which Arterial Blood Gas Results to Compensated

The nurse correlates which arterial blood gas results to compensated metabolic acidosis in the patient with cardiogenic shock?

A) pH 7.30 PaCO₂ 38 mm Hg HCO₃ 18 mEq/L
B) pH 7.38 PaCO₂ 32 mm Hg HCO₃ 20 mEq/L
C) pH 7.40 PaCO₂ 40 mm Hg HCO₃ 23 mEq/L
D) pH 7.48 PaCO₂ 40 mm Hg HCO₃ 28 mEq/L