A nurse teaches a postoperative patient to use an incentive spirometer. Which statement shows that the teaching is understood?
Correct answer: A. I inhale slowly through the mouthpiece
- A. I inhale slowly through the mouthpiece
- B. I exhale forcefully into the mouthpiece
- C. I use it only when I feel breathless
- D. I take rapid shallow breaths into it
Explanation
The patient should seal the lips around the mouthpiece and inhale slowly and deeply to raise the indicator. The device encourages lung expansion, whereas forceful exhalation and rapid shallow breaths do not achieve its intended purpose.
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About Respiratory System
The respiratory system includes the air passages, lungs, pleura, alveoli and the mechanics of breathing. It explains pulmonary ventilation, gas exchange, oxygen and carbon dioxide transport, regulation of breathing, and the difference between external respiration in the lungs and internal respiration in body tissues.
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