【单选题】
有机磷农药中毒出现毒蕈样症状的主要表现是___
A. 腺体分泌亢进，运动神经兴奋
B. 腺体分泌亢进，平滑肌痉挛
C. 腺体分泌减退，平滑肌松驰
D. 腺体分泌减退，平滑肌痉挛
E. 运动神经兴奋，平滑肌痉挛
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答案
B
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有机磷农药中毒的发病机制是___
A. 乙酰胆碱活性降低，胆碱酯酶积聚
B. 胆碱酯酶不能被磷酸化
C. 胆碱酯酶活性增高，乙酰胆碱减少
D. 胆碱酯酶活性降低，乙酰胆碱积聚
E. 乙酰胆碱被水解为胆碱及乙酸
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女，25岁，服敌敌畏昏迷2小时。查体：大汗，双瞳孔针尖样大小，双肺布满湿啰音，心率79次/分，律齐，无杂音，患者最佳的抢救原则是___
A. 洗胃+静脉滴注解磷定+静脉注射阿托品
B. 洗胃+静脉注射阿托品
C. 洗胃+静脉注射解磷定
D. 洗胃+给氧
E. 洗胃+对症治疗
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女，30岁，诊断为有机磷中毒入院，经大剂量阿托品治疗后神志清醒，腹痛缓解，肺部湿啰音消失，但仍有肌肉震颤。再进一步治疗是___
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C. 加大阿托品用量
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E. 透析
【单选题】
治疗成人呼吸窘迫综合症（ARDS）最有效的措施为___
A. 持续高浓度吸氧
B. 应用呼气末正压通气
C. 持续低浓度吸氧
D. 迅速应用糖皮质激素
E. 应用正压机械通气
【单选题】
应用呼气末正压通气治疗ARDS的原理下列哪项是错误的___
A. 增加肺脏功能残气量
B. 扩张萎陷的肺泡
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老年患者突然发生寒战、高热、咳嗽、咳痰、痰粘稠，砖红色，胶冻状，引起感染最可能的病原菌是___
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慢性支气管炎，肺气肿患者，今晨突感左上胸刺痛，逐渐出现呼吸困难，不能平卧，左肺呼吸音明显减弱，心率120次/分，节律有不齐。应考虑出现了哪种情况___
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女性，30岁，喘息，呼吸困难发作1天，过去有类似发作史。体检：气促、发绀、双肺满布哮鸣音，心率120次/分，律齐，无杂音。院外已用过氨茶碱、特布他林无效。对该病人除立即吸氧外，应首先给予的治疗措施为___
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C. 琥珀酸氢化可的松静脉滴注
D. 二丙酸倍氯米松气雾吸入
E. 5%碳酸氢钠静脉滴注
【单选题】
男性，58岁，因肺心病呼吸衰竭入院。入院查体神志清晰，血气分析：___PaO230mmHg,PaCO260 mmHg。吸氧后神志不清,血气分析:PaO270mmHg,PaCO280mmHg.该患者病情恶化的原因最可能是
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【单选题】
关于房性期前收缩，下列哪项描述不正确___
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B. 发生于心房下部的心性期前收缩的P波可倒置
C. 房性期前收缩的代偿间歇多不完全
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E. 房性期前收缩的P波后可无QRS波群
【单选题】
频发性室性期前收缩的定义是___
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D. 室性期前收缩>60/h
E. 室性期前收缩>100/h
【单选题】
室性期前收缩三联律是指___
A. 每个窦性搏动后发生一次室性期前收缩
B. 每个窦性搏动后发生二次室性期前收缩
C. 每个窦性搏动后发生三次室性期前收缩
D. 每两个窦性搏动后发生一次室性期前收缩
E. 每三个窦性搏动后发生一次室性期前收缩
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紊乱性房性心动过速是指P波频率>100次/分___
A. 同一份心电图上有2种或以上形态不同的P波
B. 同一份心电图上有3种或以上形态不同的P波
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D. 心电图同一导联上有2种或以上形态不同的P波
E. 心电图同一导联上有3种或以上形态不同的P波
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下列哪项不属于心房扑动的心电图表现___
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预激综合征合并心房颤动的治疗，下列哪项描述是错误___
A. 禁用洋地黄类药物
B. 禁用钙通道阻滞剂
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E. 可使用IC类抗心律失常药
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缺少下列哪项就不能诊断恶性高血压___
A. DBP>12.9kpa(130mmHg)
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有关静息电位的叙述，哪项是错误的___
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( ) 26. Where does the writer of "The little Prince" come from?
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
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【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
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A. A
B. B
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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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( ) 35. Who came up with the phrase according to the passage?
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【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
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A. A
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【单选题】
( ) 37.The greatest river for navigation is ___________.
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【单选题】
( ) 38. From a dam, people can use the water for ___________.
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【单选题】
( ) 39. The water in the river is polluted because of _____________.
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【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
A. A
B. B
C. C
D. D
