Which arterial blood gas results should the nurse expect in the client diagnosed with DKA?
1. pH 7.34, PaO2 99, PaCO2 48, HCO3 24.
2. pH 7.38, PaO2 95, PaCO2 40, HCO3 22.
3. pH 7.46, PaO2 85, PaCO2 30, HCO3 26.
4. pH 7.30, PaO2 90, PaCO2 30, HCO3 18.