Final answer:
The distal end of a nasopharyngeal airway is closed with multiple holes, allowing for the passage of air while preventing blockages.
Step-by-step explanation:
The distal end of a nasopharyngeal airway is closed with multiple holes. Nasopharyngeal airways are used to maintain an open airway and aid in ventilation. The holes in the distal end of the airway allow for the passage of air while also preventing blockages. This design helps ensure the flow of air during respiratory emergencies.