第3题: [单项选择]以下提示重症肺炎诊断的是() A. 血压80/50mmHg B. 心率90次/分 C. 头痛,烦躁不安 D. 畏寒,高热 E. 呼吸频率26次/分 参考答案:A 答案解析:重症肺炎的诊断主要标准:需要机械通气,48小时内肺部浸润≥50%,感染性休克或需要血管活性物质>4小时,急性肾衰竭。次要标准:呼吸频率≥30次/分,氧合指数≤250,双侧或多叶段炎症,收缩压<90mm
第17题: [单项选择]The strikers are denied entry into the US because_______. A. AIDS virus has been found among them. B. they cannot get political asylum in the US. C. the US government has refused to take them. D. they don’’t accept proper medical treatment. 参考答案:A