题目内容

患者女,26岁,已婚。因腹痛、腹泻、发热、呕吐8h就诊。患者12h前在路边餐馆有不洁饮食史,后出现阵发性腹痛并伴有恶心。既往体健,无药物过敏史。停经46d,无不规则阴道出血。为明确诊断应首先紧急检查的一项是(提示体格检查:T38.7℃,P120次/min,BP100/70mmHg,发育及营养正常,全身皮肤无黄染,浅表淋巴结不大,双肺未闻干湿啰音,心率120次/min,律齐,腹平软,肝、脾未及,未扪及包块,全腹压痛以上腹为主,有腹肌紧张,肠鸣音10~15次/min。)()

A. 尿常规
B. 粪常规
C. 血清淀粉酶
D. 腹部X线片
E. 血常规
F. 血电解质
G. 腹部B超

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Company.com has a new computer room that will be used to house a new HACMP cluster. Onceof the outstanding features of the new computer room was the new large air conditioner. This unit has enough excess capacity for more than double the planned amount of equipment. Another feature of this computer room was the dual electric supplies to the room housed in two separate power panels. How would this impact the overall availability of the environment?()

A. Dual power feeds will make the installation difficult to manage and less high available.
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