Airway & VentilationQuestion 4 of 100
A nasal cannula can deliver oxygen concentrations in approximately what range?
a.80 to 90 percent
b.60 to 70 percent
c.50 to 60 percent
d.24 to 44 percent
Explanation
At 1 to 6 L/min a nasal cannula delivers roughly 24 to 44 percent oxygen. It is best for patients needing low-concentration oxygen who cannot tolerate a mask.
Practice all 100 questions free — no signup required.
Related questions on this topic
- What is the normal resting respiratory rate for a healthy adult?
- Which airway adjunct is contraindicated in a patient with an intact gag reflex?
- A nonrebreather mask should generally be run at what oxygen flow rate?
- What is the correct first step when a responsive adult is choking and cannot speak, cough, or breathe?
- How should you size an oropharyngeal airway before insertion?
- Which finding best indicates adequate ventilation while using a bag-valve mask?
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against NREMT (National Registry of Emergency Medical Technicians) EMT Cognitive Exam · How we review