单项选择题

关于肝性脑病的诊断，下列哪项是错误的?( )

A.前驱期易误诊为精神病
B.血氨不增高，可排除肝性脑病
C.扑翼样震颤、血氨增高及脑电图异常同时出现有助于诊断
D.急性肝功能衰竭所致脑病血氨多正常
E.应与其他引起昏迷的疾病相鉴别
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单项选择题
Why was Mr. Power especially displeased about Miss Davis’s call to her boyfriend?
A．Because the telephone line is busy during work hours.
B．Because employees are not supposed to do anything personal at work.
C．Because private conversation is not supposed to be heard in office.
D．Because the call would cost Mr. Power a lot of money.
单项选择题
男性，59岁，不规则反复上腹痛3年，纳差。突然呕血3次，每次约300ml，积极治疗24小时不能止血。血压92／52mmHg，脉搏120次／分，进一步治疗宜用哪种措施：( )
A.注射立止血
B.静脉滴注奥美拉唑
C.服用去甲肾上腺素
D.尽快手术
E.输血输液
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