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问题 问答题

肝性脑病有哪些诊断依据

答案

参考答案：1—4期肝性脑病的诊断可依据下列异常而建立：①有严重肝病和(或)广泛门体侧支循环形成的基础；②出现精神紊乱、昏睡或昏迷，可引出扑翼样震颤；③有肝性脑病的诱因；④反映肝功能的血生化指标明显异常及(或)血氨增高；⑤脑电图异常。轻微肝性脑病的诊断依据可有：①有严重肝病和(或)广泛门体侧支循环形成的基础；②心理智能测验、诱发电位、头部CT或MRI检查及临界视觉闪烁频率异常。

单项选择题

某同学经常想“人为什么有两条腿”，明知没有必要却又无法控制，从而影响学习和生活，他的问题是（）。

A.强迫意向

B.强迫观念

C.强迫情感

D.强迫行为
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单项选择题

Networks can be interconnected by different devices. In the physical layer networks can be connected by (31) 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 (32) , examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process. In network layer, we have routers that can connect two networks. If two networks have (33) network layer, the muter 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 (34) . As an example, gateways between Internet e-mail and X.400 e-mail must (35) the e-mail message and change various header fields.

（32）是（）

A.frames

B.packets

C.packages

D.cells
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