【单选题】
患者男性，36岁，左下胸受挤压，左8.9.10肋骨骨折，脾破裂。面色苍白.四肢湿冷，脉搏122次/分，血压10.6/8kPa(80/60mmHg)。正确的处理原则是___
A. 大量快速输液待血压正常后手术
B. 一旦确诊立即手术
C. 积极抗休克，如病情无好转再手术
D. 积极抗休克同时迅速手术
E. 快速大量输血，待病情稳定后手术
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答案
D
解析
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与幽门螺旋杆菌密切相关的疾病是___
A. 慢性胃炎.消化性溃疡.炎症性肠病
B. 慢性胃炎.消化性溃疡.胃癌
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患者，男性，46岁，有嗜酒史。近2年来常感腹胀，食欲减退，齿龈出血，但仍坚持工作。最近1周来下肢水肿明显，昨晚呕血后进入昏迷状态。应考虑___
A. 肝性脑病
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患者，男性，52岁，中午饱餐1小时后突然出现中.上腹部剧烈的刀割样疼痛，且向腰背部放射，继而呕出胆汁，伴高热.面色苍白。急诊入院检查时全腹疼痛，腹肌强直。紧急处理措施不妥的是___
A. 静脉输液
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C. 检查
D. 解痉止痛
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Which option is the cloud-based security service from Cisco the provides URL filtering， web browsing content security， and roaming user protection？___
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C.
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.Which three statements de scribe DHCP spoofing attacks？___
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Which statement about the communication between interfaces on the same security level is true？___
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D.
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