A 52-year-old client is scheduled for a small-bowel resection in the morning. In conjunction with other preoperative preparation, the nurse is teaching her diaphragmatic breathing exercises. She will teach the client to:
A. Inhale slowly and deeply through the nose until the lungs are fully expanded, hold the breath a couple of seconds, and then exhale slowly through the mouth. Repeat 23 more times to complete the series every 12 hours while awake
B. Purse the lips and take quick, short breaths approximately 1820 times/min
C. Take a large gulp of air into the mouth, hold it for 1015 seconds, and then expel it through the nose. Repeat 45 times to complete the series
D. Inhale as deeply as possible and then immediately exhale as deeply as possible at a rate of approximately 2024 times/min
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