The potential for intraoperative awareness (IOA)can exist for patients in all modes of anesthesia.Select the anesthesia modality that presents the least likely opportunity for IOA.

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IOA is expected during regional anesthesia,local anesthesia,and monitored anesthesia care (MAC),as these modalities do not render the patient unconscious and in a deep sleep state with a managed airway.General endotracheal anesthesia is a modality of unconsciousness with an anesthesia-managed airway.Multiple studies have found IOA to occur in 0.1% to 0.2% of patients undergoing general anesthesia.Research suggests that the two most common risk factors are light anesthesia and a history of awareness.

The Potential for Intraoperative Awareness (IOA)can Exist for Patients in All