A nurse is reviewing laboratory values for a client who has diabetic ketoacidosis (DKA), Which of the following results should the nurse expect?

pH 7.38, Fac02 55 mmHg, HCO3 22 mEq/dL

pH 7.50, PaCO2 42 mmHg, HCO3 30 mEq/dL

pH 7.32, PaCO2. 38 mmHg HCO3 14 mg/dL

pH 7.44, PaCO2-40 mmHg, HCO3 24 mg/dL