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男性，70岁。10年来患高血压病，2小时前因有不顺心的事，血压突然升高达 200/120mmHg，呼吸困难不能平卧，发生急性左心衰竭来诊。禁用的药物是

A. 吗啡
B. 利尿剂
C. β受体阻滞剂
D. 多巴酚丁胺

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心电图可见房室分离，即P波与QRS波无关，P波频率＞QRS波频率，见于

A. Ⅲ度房室传导阻滞
B. 室性心动过速
C. 心房颤动
D. Ⅱ度房室传导阻滞

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男性，25岁。1周来牙龈及鼻出血伴皮肤紫癜，化验血Hb 95g/L，WBC 12×109/L， PLT20×109/L，骨髓增生明显活跃，胞浆内有大小不等颗粒和成堆Auer小体的细胞占85%，POX染色呈强阳性，红系明显受抑制，未见巨核细胞。该患者临床容易发生

A. 中枢神经系统白血病
B. 睾丸白血病
C. DIC
D. 严重感染

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防范和打击经济犯罪是为了完善社会主义市场经济体制提供良好法制环境的迫切需要。( )

A. 对
B. 错

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A researcher found that, in proportion to their body weights, children eat more carbohydrates than adults do. Children also exercise more than adults do. The researcher hypothesized that carbohydrate consumption varies in direct proportion to the calorie demands associated with different levels of exercise. Which of the following, if true, most seriously undermines the researcher’s hypothesis

A. More carbohydrates are eaten per capita in nations where the government spends more per capita on public exercise programs.
B. Children who do not participate in organized sports tend to eat fewer carbohydrates than children who participate in organized sports.
Consumption of increased amounts of carbohydrates is a popular tactic of runners preparing for long-distance races.
D. Periods of physical growth require a relatively higher level of carbohydrate consumption than otherwise.
E. Though carbohydrates are necessary for the maintenance of good health, people who consume more carbohydrates are not necessarily healthier.

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男性，70岁。10年来患高血压病，2小时前因有不顺心的事，血压突然升高达 200/120mmHg，呼吸困难不能平卧，发生急性左心衰竭来诊。 禁用的药物是

A. 吗啡 B. 利尿剂 C. β受体阻滞剂 D. 多巴酚丁胺

心电图可见房室分离，即P波与QRS波无关，P波频率＞QRS波频率，见于

防范和打击经济犯罪是为了完善社会主义市场经济体制提供良好法制环境的迫切需要。( )

男性，70岁。10年来患高血压病，2小时前因有不顺心的事，血压突然升高达 200/120mmHg，呼吸困难不能平卧，发生急性左心衰竭来诊。禁用的药物是

A. 吗啡
B. 利尿剂
C. β受体阻滞剂
D. 多巴酚丁胺