Which initial arterial blood gas (ABG) results would the nurse expect on a client who has overdosed on aspirin (ASA)?
1. pH 7.54, PaCO2 41, PaO2 63, SaO2 91, HCO3 36
2. pH 7.24, PaCO2 37, PaO2 83, SaO2 95, HCO3 18
3. pH 7.49, PaCO2 30, PaO2 88, SaO2 92, HCO3 25
4. pH 7.12, PaCO2 28, PaO2 72, SaO2 93, HCO3 10