What is the primary function of an OPA/NPA?

The primary function of an Oropharyngeal Airway (OPA) or a Nasopharyngeal Airway (NPA) is to keep the airway open. These airway adjuncts are specifically designed to maintain patency in a patient's airway, particularly in cases where the tongue may obstruct it.

The OPA is typically used in unconscious patients who do not have a gag reflex, as it lays over the tongue and prevents it from falling backward into the throat. The NPA is used in both conscious and unconscious patients and can be inserted through the nose, making it suitable for various situations.

By keeping the airway open, these devices allow for better ventilation and oxygenation, which is crucial in emergency situations. This function is essential for effective respiratory support and is critical in first aid and emergency response scenarios.