The EMT believes that a patient is mildly hypoxic based on findings from the primary assessment. Which other sign could the EMT use to confirm his suspicion of mild hypoxia?

Airway management is the use of medical devices and procedures to maintain or restore a patient's breathing, or ventilation. Airway management techniques are aimed at reducing complications associated with artificial airways and mechanical ventilation, such as airway obstructions, infection, and retained secretions