The physician has ordered continuous positive airway pressure (CPAP) with the delivery of oxygenation. The patient asks the nurse what the benefit of CPAP is. What would be the nurse's best response?
A) CPAP allows a higher percentage of oxygen to be used.
B) CPAP allows a lower percentage of oxygen to be used.
C) CPAP allows for humidification of oxygen.
D) CPAP allows for the elimination of bacterial growth in oxygen delivery systems.
Ans: B
Feedback: Prevention of oxygen toxicity is achieved by using oxygen only as prescribed. Often, positive end-expiratory pressure (PEEP) or continuous positive airway pressure (CPAP) is used with oxygen therapy to reverse or prevent microatelectasis, thus allowing a lower percentage of oxygen to be used. Oxygen is moistened by passing through a humidification system. Changing the tubing on the oxygen therapy equipment is the best technique for controlling bacterial growth.
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