Difficulty: Medium
Average Score: 66%
Simulated
A nurse is reviewing the laboratory results of a client who is postoperative and has a respiratory rate of 7/min. The arterial blood gas (ABG) values include: pH 7.22, PaCO2 68 mm Hg, Base excess -2, PaO2 78 mm Hg, Oxygen saturation 80%, Bicarbonate 28 mEq/L. Which of the following interpretations of the ABG values should the nurse make?
Correct answer
B
Rationale
Low pH and high PaCO2 indicate respiratory acidosis, likely due to hypoventilation.