Which of the following is the current recommendation for adding humidity while using noninva-sive ventilation (NIV)?
a. It is never recommended.
b. It is recommended for short-term applica-tion (<1 day).
c. It is recommended for long-term applica-tion (>1 day).
d. It is always recommended.
ANS: C
Because the upper airway is not bypassed during NIV, the current recommendation is no humid-ity for short-term applications (<1 day).
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Fill in the blank(s) with the appropriate word(s).
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