Which two problems can arise when a proxy firewall serves as_答案

【多选题】

Which two problems can arise when a proxy firewall serves as the gateway between networks？___

A. It can prevent content caching

B. It can limit application support

C. It is unable to prevent direct connections to other networks

D. It can cause reduced throughput.

E. It is unable to provide antivirus protection

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2.刀开关的文字符号是___。

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3.行程开关的文字符号是___。

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4．交流接触器的文字符号是___。

A. QS

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【单选题】

某男，25岁，因呕吐一周，昏迷2小时入院，查T38℃，BP80/50mmHg,R28次/分，P110次/分，全身皮肤干燥、眼眶凹陷，双肺呼吸音清晰，HR110次/分，律齐，无杂音。血糖20.8mmol/L，下一步最重要的检查是___

A. 尿、粪常规

B. 血常规

C. 尿酮

D. 血胰岛素

E. 血钠

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【单选题】

下列哪种激素由垂体合成___

A. ADH

B. CRF

C. LRH

D. ACTH

E. SS

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【单选题】

甲亢眼征不包括___

A. 眼球突出

B. 瞳孔缩小

C. 睑裂增亮

D. 眼球辐辏不良

E. 瞬目减少

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【单选题】

Ⅱ型糖尿病的特点是___

A. 中老年多见，从不发生酮症

B. 常以慢性并发症为首发症状

C. 30岁前发病者症状严重

D. 胰岛功能正常

E. 病人不需使用胰岛素

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【单选题】

下列除哪顶外多为风湿性疾病的共同点？___

A. 长期不规则发热

B. 多器官受累

C. 关节畸形

D. 免疫球蛋白增高

E. 血沉加快

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【单选题】

40岁女性，两侧近端指关节及足关节酸痛三年，加重发热半月，查：指关节呈梭型，肘关节鹰咀突处可触及一米粒大小结节，坚硬，脾肋下1指，Hb90g/L，ESR45mm/h，WBC8.1×10*9/L,ANA(－),ASD效价正常,X线示关节周围软组织肿胀，关节腔变窄，下列护理措施不正常的是___

A. 关节保持伸直位

B. 疼痛关节冷敷

C. 注意关节功能变化

D. 观察有无皮肤溃疡

E. 足底放护足板防止垂足

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【单选题】

某男，33岁，昏睡路边被他人发现送医院，查深昏迷，呼吸有轻度大蒜味，疑有机磷中毒，下列何项对诊断最有帮助？

A. 瞳孔缩小

B. 大小便失禁

C. 肌肉抽动

D. 呕吐物有大蒜味

E. 全血胆硷酯酶活力降低

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