Levels of Sedation Flashcards

According to ASA guidelines, which physiological parameter is MOST likely to be affected first as a patient transitions from moderate to deep sedation?

Answer: Protective airway reflexes

As sedation deepens from moderate to deep, protective airway reflexes (gag, cough, swallow) are among the first responses to be partially or fully lost.

A patient under minimal sedation (anxiolysis) is asked to squeeze the dentist's hand. What response is expected?

Answer: Normal purposeful response

During minimal sedation, cognitive function and physical coordination may be mildly impaired, but the patient retains normal purposeful response to verbal commands.

Which statement BEST distinguishes deep sedation from general anesthesia?

Answer: Deep sedation patients can be aroused with repeated painful stimulation

In deep sedation, patients cannot be easily aroused but can respond purposefully to repeated or painful stimulation, whereas patients under general anesthesia are not arousable even with painful stimuli.

During moderate (conscious) sedation, a patient becomes unresponsive to verbal commands but responds to a sternal rub. This represents unintended progression to which level?

Answer: Deep sedation

Responding only to painful stimulation (like a sternal rub) rather than verbal commands indicates the patient has progressed into deep sedation.

In the context of DAANCE, which sedation level requires the practitioner to be trained in Advanced Cardiac Life Support (ACLS)?

Answer: Deep sedation and general anesthesia

Deep sedation and general anesthesia require the supervising practitioner to have ACLS training due to the risk of cardiovascular and respiratory compromise.

Which monitoring parameter is considered MANDATORY for all levels of sedation in the dental office according to ADA guidelines?

Answer: Pulse oximetry

Pulse oximetry is mandatory for all levels of sedation to continuously monitor oxygen saturation and detect hypoxemia early.

A child receives nitrous oxide/oxygen for a routine filling and remains fully awake and cooperative throughout. This BEST describes which sedation level?

Answer: Minimal sedation (anxiolysis)

Nitrous oxide at anxiolytic doses produces minimal sedation, where the patient is conscious, cooperative, and maintains normal airway reflexes.