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What is the role of postextubation NPPV for patients with COPD exacerbations who are intubated because they were not initially candidates for NPPV? I. earlier extubation to NPPV II. reduced incidence of nosocomial infection III. decreased length of stay in hospital IV. shortened duration of positive-pressure mechanical ventilation

Aerosol treatments may aid in the function of the mucociliary transport system in the tracheobronchial tree, this action would be considered a

Which of the following statements refers to the theory associated with biotrauma as a mechanism of VILI?

After increasing a patient’s PEEP level from 8 to 12 cm H2O, the partial oxygen pressure in mixed venous blood (PVO2) drops 6 mm Hg. The respiratory therapist should suspect that which of the following has occurred?

All of the following are nonpharmacologic ways to reduce the risk of VAPS except:

What mode of ventilation is recommended for a patient with ARDS?

The majority of nebulizers used in respiratory care produce which type of aerosol suspension?

The therapist is about to institute NPPV on a patient who is experiencing respiratory distress. At the same time, the therapist would like for this patient to verbally communicate when possible. Which of the following interfaces would most likely accommodate this form of communication?

With which of the following devices are therapeutic aerosols generated?1. Atomizers2. Nebulizers3. Humidifiers4. Meter dose inhalers

Permissive hypercapnia is needed to protect patients with ARDS from atelectrauma. Which of the following medications is appropriate to facilitate this?