问题
单项选择题
患者男性，76岁。在全麻下行胃大部切除术后，术毕入麻醉恢复室，1小时后意识恢复，但呼吸弱，肌张力差。最可能的原因是（）。
A.二氧化碳潴留
B.缺氧
C.低血压
D.麻醉药、肌松药延迟作用
E.镇痛药过量
答案
参考答案：D
解析：
老年人实施全麻手术，易致肌松药残留，麻醉药代谢速度减慢。
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患者男性，76岁。在全麻下行胃大部切除术后，术毕入麻醉恢复室，1小时后意识恢复，但呼吸弱，肌张力差。最可能的原因是（）。
A.二氧化碳潴留
B.缺氧
C.低血压
D.麻醉药、肌松药延迟作用
E.镇痛药过量
参考答案：D
解析：
老年人实施全麻手术，易致肌松药残留，麻醉药代谢速度减慢。
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