Difficulty: Medium
Average Score: 69%
Full-length
The physician has ordered O2 at 3 liters/minute for a client with emphysema. Which device will deliver the most precise level of oxygen prescribed for the client?
Correct answer
D
Rationale
The Venturi mask will deliver the most precise level of oxygen for the client with COPD. Answer A is incorrect, because the client may lose oxygen through an open mouth. Answers B and C are incorrect, because they are not used to deliver oxygen to the client with COPD.