【单选题】
心跳停止时间是指___
A. 循环停止到重建人工循环的时间
B. 循环停止到心脏复跳的时间
C. 发现心跳停止到重建人工循环的时间
D. 发现心跳停止到心脏复跳的时间
E. 以上都不是
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答案
A
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心跳骤停紧急处理原则中,下列哪项是错误的___
A. 迅速开始人工呼吸
B. 待心电图确诊后开始胸外按压
C. 立即开放静脉输液通道
D. 立即开始胸外按压
E. 准备好电击除颤
【单选题】
衡量胸外心脏按压有效的标志中,下列哪项是错误的___
A. 摸到颈动脉搏动
B. 口唇紫绀减轻
C. 收缩压在8OmmHg以上
D. 散大的瞳孔开始缩小
E. 偶尔出现自主呼吸动作
【单选题】
胸外电击除颤时,电极板安放的杭置应在___
A. 心尖区后胸壁
B. 左第二肋间前胸壁,心尖区
C. 左第二肋间前胸壁,心尖区后胸壁
D. 右第二肋间前胸壁,心尖区或心尖区后胸壁
E. 以上都可以
【单选题】
应用血管扩张剂治疗休克的作用机制是___
A. 扩张冠状动脉,增强心脏收缩力
B. 扩张肾动脉,增加肾小球的滤过率
C. 扩张心、脑血管,保障心、脑的有效微循环
D. 解除小动脉和小静脉痉挛,改善微循环
E. 扩张心、脑、肾及肠系膜动脉,改善微循环
【单选题】
判断休克的依据,下列哪项不正确___
A. 精神状态:反映脑组织的灌流情况
B. 尿量少于40ml/h,可诊断早期休克
C. 休克指数为1.5时,提示有休克
D. 皮肤温度、色泽:是反映体表灌流情况的标志
E. 收缩压<90mmHg,脉压<20mmHg是休克存在的表现
【单选题】
左胸部刀刺伤半小时,血压60/50mmHg,脉率150次/min,估计失血量为___
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B. 500~600ml
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【单选题】
关于急性肾功能衰竭下列哪项不正确___
A. 主要与创伤和外科手术有关
B. 病理主要是肾缺血、肾小管上皮损伤及其功能障碍
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E. 进入多尿期病情将不再恶化
【单选题】
在重症监测治疗室,给病人进行机械通气时,潮气量为___
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B. 6~8 ml/kg
C. 8~10 ml/kg
D. 10~12 ml/kg
E. 10~15 ml/kg
【单选题】
对氧治疗的描述,下列哪项是错误的___
A. 以纠正低氧血症和提高氧供为目的
B. 重度通气障碍对氧治疗较敏感,疗效较好
C. 轻度肺部感染对氧治疗较敏感,疗效较好
D. 当肺泡完全萎陷时,氧治疗效果很差
E. 当肺泡血液灌流完全停止,氧治疗效果很差
【单选题】
口对口人工呼吸操作中,下列哪一项是错误的___
A. 将病人下颌向上、后方钩起以保持呼吸道通畅
B. 吹气时要看到胸廓起伏
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D. 吹气时向后压环状软骨
E. .吹气时捏闭病人的鼻孔
【单选题】
初期复苏的任务和步骤的正确顺序是___
A. 保持呼吸道通畅,口对口人工呼吸,胸外心脏按压
B. 保持呼吸道通畅,胸外心脏按压,口对口人工呼吸
C. 口对口人工呼吸,胸外心脏按压,保持呼吸道通畅
D. 口对口人工呼吸,保持呼吸道通畅,胸外心脏按压
E. 胸外心脏按压,保持呼吸道通畅,口对口人工呼吸
【单选题】
以下哪种情况不适合于应用电击复律治疗___
A. 室性心动过速伴有严重血流动力学障碍
B. 急性心肌梗死,合并室性心动过速
C. 扩张型心肌病合并室性心动过速
D. 洋地黄中毒出现室性心动过速
E. 心脏手术过程中出现室性心动过速
【单选题】
胸外除颤电极板放置的位置___
A. 一电极板置于胸骨右缘第2肋间,另一电极板置于心尖部位
B. 一电极板置于胸骨右缘第3肋间,另一电极板置于胸前区
C. 一电极板置于胸骨角,另一电极板置于剑突下
D. 两电极板置于双侧乳头下
E. 一电极板置于胸前区,另一电极板置于背部
【单选题】
关于止血带止血法,下列哪项是正确的___
A. 连续阻断血流时间一般不超过1h
B. 可用绳索、电线缚扎
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D. 前臂用橡胶带缚扎
E. 用橡胶管时可不用垫纱布
【单选题】
关于慢性肺心病急性加重期使用强心剂的指征,以下各项中不正确的是___
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E. 心率>120次/min,有房性早搏者
【单选题】
慢性肺心病急性加重期使用利尿剂,可能引起___
A. 低钾低氯性碱中毒
B. 低谢性酸中毒
C. 呼吸性酸中毒合并代谢性酸中毒
D. 呼吸性碱中毒合并代谢酸中毒
E. 稀释性低钠血症
【单选题】
支气管扩张引起大咯血的原因为___
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E. 支气管粘膜溃疡
【单选题】
诊断I型呼吸衰竭的血气诊断标准应是___
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【单选题】
支气管哮喘患者,持续发作24小时,大汗淋漓,发绀,端坐呼吸,双肺散在哮鸣音,首选的治疗是___
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