A full face mask is designed to cover which areas?

A full face mask is specifically designed to cover both the nose and mouth, ensuring that airflow can be delivered to both areas effectively. This is essential for patients who need assistance with breathing, as it allows for the proper administration of noninvasive ventilation and ensures that both inhalation and exhalation are adequately facilitated.

Covering below the lower lip is particularly significant in ensuring a proper seal and minimizing the risk of air leaks, which can compromise the effectiveness of the ventilation therapy. Furthermore, a full face mask is beneficial for patients who may breathe through their mouth during sleep or have nasal obstructions, making it vital for delivering the necessary support in various scenarios.

Options that focus solely on the mouth or nose do not provide a comprehensive solution needed for patients requiring mechanical ventilation, as they fail to address the entirety of the airway management. The choice that suggests covering the entire face, including the forehead, is inaccurate for the specific function and design of a full face mask intended for respiratory support.