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【单选题】
患者女,46岁。在家休息时突然呕吐鲜红色血液,入院检查结果示:肝功能损害、脾功能进、腹部移动性浊音、门静脉压力为45cmH2O,立即行手术治疗,以下关于术前护理的措施,正确的是
A.
术前3-5天口服肠道不吸收的抗生素
B.
手术前1天晚清洁灌肠
C.
术前放置胃管
D.
补充芳香族氨基酸的摄入
E.
低脂、低蛋白、高热量、高维生素饮食
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