New! RN Question of the Week 9/16

A nurse is reviewing the arterial blood gas values of a client who has an exacerbation of COPD. Which of the following sets of values should the nurse expect?

1. pH 7.30, HCO3 25, PaCO2 50
2. pH 7.55, HCO3 22, paCO2 30
3. pH 7.25, HCO3 20, paCO2 44
4. pH 7.50, HCO3 28, paCO2 40