Which client statement indicates to the nurse that instruction about the use of a humidifier has been effective?
1. "A humidifier takes moisture out of the air."
2. "A humidifier tightens secretions."
3. "A humidifier prevents my lungs from getting too dry."
4. "A humidifier replaces the use of oxygen."
Correct Answer: 3
Rationale 1: A humidifier adds moisture to the air.
Rationale 2: A humidifier loosens secretions.
Rationale 3: The purposes of humidifiers are to prevent mucous membranes from drying and becoming irritated and to loosen secretions for easier expectoration.
Rationale 4: A humidifier does not replace the use of oxygen but is used with oxygen.
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