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【单选题】
插入胃管的方向为沿选定侧鼻孔
A.
平行插入
B.
先稍向下平行再向后上缓缓插入
C.
按患者舒适度进行选择方向
D.
先稍向上平行再向后下缓缓插入
E.
向后下方插入
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参考答案：
参考解析：
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