Difficulty: Medium
Average Score: 70%
Full-length
A client with emphysema has been receiving oxygen at 3 L per minute by nasal cannula. The nurse knows that the goal of the client's oxygen therapy is achieved when the client's PaO2 reading is:
Correct answer
B
Rationale
For clients with emphysema, a PaO2 of 70-80 mm Hg indicates adequate oxygenation without suppressing the respiratory drive.