单选题:患者男,46岁,阿米巴痢疾,护士遵医嘱为其进行保留灌肠治疗,下列步骤中正确的是

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题目内容:
患者男,46岁,阿米巴痢疾,护士遵医嘱为其进行保留灌肠治疗,下列步骤中正确的是 A.患者取左侧卧位
B.臀部抬高约lo cm
C.肛管轻轻插入肛门7—10 cm
D.保留药液在20分钟以上
E.药液注入完毕,再注入温开水50ml

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