The RN reviews the results of the ABG with the LPN and tells the LPN that the client is experiencing respiratory acidosis. The LPN would expect to note which of the following on the laboratory result form?
1. pH 7.50, PCO2 52 mm Hg
2. pH 7.35, PCO2 40 mm Hg
3. pH 7.25, PCO2 50 mm Hg
4. pH 7.50, PCO2 30 mm Hg