What is a key feature of a nasopharyngeal airway (NPA)?

A nasopharyngeal airway (NPA) is specifically designed to be placed in patients who are conscious and have an intact gag reflex. This device allows for the maintenance of an open airway without causing significant discomfort, as it can be tolerated by patients who are still responsive. The term "nasopharyngeal" indicates that it is inserted through the nose and extends into the nasopharynx, providing a passage for airflow, which is particularly helpful in managing hypoxia or impending respiratory failure.

This characteristic makes NPAs advantageous for patients who are alert but may exhibit partial airway obstruction due to conditions such as upper airway swelling or secretions. In contrast, NPAs are not ideal for patients who are completely unconscious because they may activate the gag reflex, leading to potential airway complications. Therefore, the key feature of the NPA's design and intended use supports the idea that it can effectively be used in conscious patients who still have a gag reflex.