Which direction would be incorrect for the nurse to teach the client when describing the process of measuring peak expiratory flow?
1. "Sit upright, with the back and chest free from contact with the bed or chair."
2. "Reset the marker on the flow meter to zero before beginning."
3. "Create a tight seal around the mouthpiece with the lips."
4. "Exhale slowly and deeply."
Correct Answer: 4
The client should be taught to exhale as quickly and forcefully as possible, not slowly and deeply, when measuring peak expiratory flow. All of the other instructions are correct.
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