Overtightening of the headgear straps for a nasal mask may lead to which of the following?
a. Lack of an air leak
b. Facial skin irritation
c. Nasal air leak
d. Hypersalivation
ANS: B
Overtightened headgear straps can lead to redness and irritation of the skin and the potential for ulceration. Straps that are too tight may cause the mask to leak more. Nasal air leak is a disad-vantage of mouthpieces, as is hypersalivation.
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