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问题 单项选择题

患者，男，58岁。下痢月余不愈，现下痢稀薄，带有白冻，甚则滑脱不禁，腹部隐痛，口淡不渴，食少神疲，腰酸肢冷，舌淡，苔薄白，脉沉细弱。治疗最佳方剂为（）

A.胃苓汤

B.理中汤

C.芍药汤

D.连理汤

E.真人养脏汤

答案

参考答案：E

单项选择题

Networks can be interconnected by different devices. In the physical layer, networks can be connected by (11) or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept (12) ,examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have (13) network layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message (14) . As an example, gateways between Internet e-mail and X.400 e-mail must (15) the e-mail message and change various header fields.

11（）

A.repeaters

B.relays

C.packages

D.modems
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单项选择题 案例分析题

患者，男性，85岁。因咳嗽发热1个月，昏迷5小时入院。高血压史30余年，无明显糖尿病史。体检：体型消瘦，深度昏迷，脱水貌。四肢厥冷，双侧中、下肺可闻及湿啰音。血压10.6/5.3kPa（80/40mmHg），心率124次／分，心律不齐，未见双下肢水肿。尿糖（++++），尿酮（-），ECG提示频发室性期前收缩。

假如此时血糖33.3mol/L（600mg/dl），血酮（-），pH7.35，血钠、Cr均增高，下列的综合治疗方案中哪一项是最合理的（）

A.抗感染、补液、小剂量胰岛素静脉滴注

B.抗感染、补液、抗心律失常

C.抗感染、补充低渗氯化钠溶液、小剂量胰岛素静脉滴注

D.抗感染、补液、小剂量胰岛素皮下注射、抗心律失常

E.抗感染、抗休克、纠正酸中毒
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