Which device is known to effectively loosen and mobilize airway secretions?

The correct choice is high-frequency chest wall oscillation (HFCWO) because this device utilizes rapid oscillations delivered to the chest through an inflatable vest or similar apparatus, which promotes the looseness and mobilization of mucus within the airways. By creating vibrations, HFCWO helps to facilitate the clearance of airway secretions, making it easier for patients to expel mucus and improve their pulmonary function.

Incentive spirometers are primarily designed to encourage deep breathing to prevent atelectasis and improve lung expansion but do not specifically target the mobilization of secretions. A tracheostomy tube serves as an airway access point, allowing for ventilation but does not actively mobilize secretions on its own. Continuous positive airway pressure (CPAP) is a method used to keep the airways open during sleep and does not play a direct role in loosening or mobilizing secretions. Each of these other devices has its own specific application in respiratory care, but high-frequency chest wall oscillation is uniquely effective for mobilizing mucus in the airways.