Advanced Airway and Ventilation Practice Test

Question: 1 / 400

How does a laryngeal mask airway function?

It is placed in the esophagus to prevent aspiration

It sits in the oropharynx to create a seal around the laryngeal opening

A laryngeal mask airway (LMA) functions by creating a secure seal around the laryngeal opening when properly placed in the oropharynx. This design allows for effective ventilation by maintaining an airway that is less invasive than endotracheal intubation. The cuff of the LMA, which is inflated once the device is in place, ensures that air is directed into the trachea while simultaneously preventing the escape of gases and minimizing the risk of aspiration. This makes it a valuable tool in various medical settings, particularly during anesthesia or in emergency situations when rapid airway management is necessary.

In contrast, other options involve either incorrect placements of the device or functions that do not align with the intended design and use of a laryngeal mask airway.

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It facilitates ventilation through a tracheostomy

It is designed to inflate the lungs directly

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