Oxygen Delivery Systems (ATI) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Oxygen Delivery Systems (ATI) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which oxygen delivery device delivers the lowest concentration of oxygen? Nasal cannula What is the oxygen concentration range delivered by a simple face mask? 40% to 60% Why is a Venturi mask often used for clients with COPD? It delivers a precise and controlled oxygen concentration What must the nurse ensure when using a nonrebreather mask? The reservoir bag should remain inflated Which oxygen delivery device provides the highest oxygen concentration without intubation? Nonrebreather mask 2 What is the recommended oxygen flow rate for a nasal cannula? 1 to 6 L/min What is the purpose of the one-way valves on a nonrebreather mask? To prevent re-inhalation of exhaled air What oxygen concentration can a Venturi mask deliver? 24% to 50% When would a face tent be preferred over other oxygen delivery devices? For clients with facial trauma, burns, or claustrophobia Which oxygen delivery device requires frequent monitoring to ensure the client’s safety due to the high oxygen concentration? Nonrebreather mask What can happen if the reservoir bag on a nonrebreather mask completely collapses during inhalation? 3 The client may inhale too much carbon dioxide Why should a nurse humidify oxygen delivered by nasal cannula above 4 L/min? To prevent drying of nasal and oral mucosa What is the primary disadvantage of using a simple face mask? It can cause difficulty eating and talking What flow rate is required for a simple face mask to prevent rebreathing of carbon dioxide? At least 5 L/min How should the nurse position the tubing when applying a nasal cannula? Under the chin and over the ears Why should oxygen delivery systems be checked frequently for kinks? To ensure continuous oxygen flow 4 Which oxygen device is most appropriate for a client who needs low oxygen concentration and the ability to eat and speak?