A patient with a prolonged QT segment is at risk for unstable ventricular tachycardia, specifically torsades de pointes.

A patient suffering from postoperative complications has been receiving mechanical ventilation for 6 days with a volume ventilator

A heat-moisture exchanger (HME) is providing control over humidification and airway tempera-ture. Over the past 24 hr, the patient's secretions have decreased in quantity but are thicker and more purulent. Which of the following actions would you suggest at this time? a. Replace the HME. b. Switch over to a heated wick humidifier. c. Administer acetylcysteine every 2 hr via the nebulizer. d. Increase the frequency of suctioning.

Which portion of the maxilla accepts the roots of the teeth?

apex axillary process palatine process alveolar process