第31题: [多项选择]患者男性,72岁,拟行胃癌根治术。除偶有胸闷外,无其他特殊病史。BPl35/65mmHg,HR97次/分。术前检查:Hb110g/L,WBC8.9×109/L,ECG示Ⅱ、Ⅲ、aVF导联S-T段下移超过0.05mV。手术顺利结束病人清醒后回到病房,不久出现低氧血症,下面哪项不是低氧血症的原因()。 A. 吸入氧气的浓度太低 B. 下颌松弛,分泌物流入气道 C. 伤口疼痛 D. 肌松药残余 E. 病人本身的肺功能损害 F. 贫血 参考答案:A, F
第33题: [单项选择]Why do thin people usually feel better in hot days than fat people A. Thin people perspire less. B. Fat people do not sweat as much as thin people do. C. Thin people have less heat inside their bodies. D. Fat people have more fat cells which keep the heat inside. 参考答案:D