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[单选题] 手术后肺不张的防治，哪项是错误的（ ）
A
术前锻炼深呼吸
B
急性上呼吸道感染病人应首先控制感染
C
防止手术后呕吐物吸入
D
及时用镇咳药
E
手术后避免限制呼吸
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参考答案
试题答案：
D
答案解释：
术后肺不张的预防在于手术前锻炼辩吸。腹部手术，须练习胸式深呼吸；胸部手术，练习腹式深呼吸，以增进吸气功能，减少肺泡和支气管内的分泌液。惠者如有吸烟习惯。丰术前2周应停止吸烟，并注意口腔卫生；手术后避免限制呼吸的固定或绑扎；协助排出支气管内分泌物；防止手术后呕吐物的吸入
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