The Nurse Is Caring for a Diabetic Patient in Renal

The nurse is caring for a diabetic patient in renal failure who is in metabolic acidosis. Which laboratory findings are consistent with metabolic acidosis?

A) pH 7.3, PaCO₂ 36 mm Hg, HCO₃^- 19 mEq/L
B) pH 7.5, PaCO₂ 35 mm Hg, HCO₃^- 35 mEq/L
C) pH 7.32, PaCO₂ 47 mm Hg, HCO₃^- 23 mEq/L
D) pH 7.35, PaCO₂ 40 mm Hg, HCO₃^- 25 mEq/L