The nasal cannula is MOST appropriately used in the prehospital setting:

A. when the patient cannot tolerate a nonrebreathing mask.
B. if the patient's nasopharynx is obstructed by secretions.
C. if long-term supplemental oxygen administration is required.
D. when the patient breathes primarily through his or her mouth.


Answer: A. when the patient cannot tolerate a nonrebreathing mask.

Health Professions

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