Please give the definition of the following key terms: anesthesia emergence phase emulsion endotracheal (ET) tube extubation fasciculation induction phase intubation lacrimation laryngeal masked airway (LMA) maintenance phase minimum alveolar concentration (MAC) opioid post-anesthesia care unit (PACU) Induction phase rapid sequence induction (RSI) amnestic analgesia anterograde anticholinergic anxiolytics aspiration benzodiazepine NPO opioid.