Arterial Blood Gases Were Drawn When a Patient Was Discovered

Arterial blood gases were drawn when a patient was discovered in cardiopulmonary arrest.Which results would the nurse evaluate as indicating global lactic acidosis? Note: Credit will be given only if all correct choices and no incorrect choices are selected.
Select all that apply.

A) pH 7.21
B) HCO₃ 24 mEq/L
C) Base excess -12 mmol/L
D) PaO₂ 82 mm Hg
E) PaCO₂ 37 mm Hg