单选题治疗自发性心绞痛最有效的药物是A．硝苯地平B．阿替洛尔C．硝酸甘油酯口服D．普萘洛尔E．异搏定

单选题有关肺炎支原体肺炎的临床表现，哪项是错误的A．潜伏期约1～3周，起病缓慢B．头痛显著C．咳嗽不重，初为干咳，以后咳大量黏痰D．发热退完后咳嗽可继续存在E．胸膜累及时，可有胸膜摩擦音或胸水体征

单选题伤寒可导致心肌的病变是

单选题关于急性心肌梗死的诊断，下列哪项是错误的A．心电图上无病理性Q波者不能除外B．右心室梗死多伴发于下壁梗死C．漂浮导管检查有助于急性心肌梗死面积大小的判断D．早期二维超声心动图检查对诊断有帮助E．肺部啰音出现与否是判断有无左心功能不全的主要临床指标

单选题下列不符合早期食管癌的描述是

单选题Real policemen hardly recognize any resemblance between their lives and what they see on TV. The first difference is that a policeman's real life revolves found criminal law. He has to know exactly what actions are crimes and what evidence can be used to prove them in court. He has to know nearly as much law as a professional lawyer, and what is more, he has to apply it on his feet, in the dark and-rain, running down a street after someone he wants to talk to. Little of his time is spent in chatting, he will spend most of his working life typing millions of words on thousands of forms about hundreds of sad, unimportant people who are guilty of stupid, petty crimes. Most television crime drama is about finding the criminal: as soon as he's arrested, the story is over. In real life, finding criminals is seldom much of a problem. Except in very serious cases like murders and terrorist attacks little effort is spent on searching. Having made an arrest, a detective really starts to work. He has to prove his case in court and to do that he often has to gather a lot of difference evidence. The third big difference between the drama detective and the real one is the unpleasant pressures, first, as members of a police force they always have to behave absolutely in accordance with the law~ secondly, as expensive public servants they have to get results. They can hardly ever do both. Most of the time some of them have to break the rules in small ways. If the detective has to deceive the world, the world often deceives him. Hardly anyone he meets tells him the truth. And this separation the detective feels between himself and the rest of the world is deepened by the simple-mindedness--as he sees it--of citizens, social workers, doctors, law-makers, and judges, who, instead of eliminating crime punish the criminals less severely in the hope that this will make them reform. The result, detectives feel, is that nine-tenths of their work is recatching people who should have stayed behind bars. This makes them rather cynical.

单选题下列哪项是恶性胸水的特点

单选题下列有关日本血吸虫病的描述中，哪项是错误的( )(1995年)

单选题Cushing综合征的临床表现不包括

单选题急性早幼粒细胞性白血病的分化诱导剂治疗，通常首选下列哪一种A．十三顺式维A酸B．全反式维A酸C．骨化三醇D．α-D3E．小剂量阿糖胞苷

单选题女性，7岁，发现胸骨左缘第三、四肋间粗糙全收缩期杂音伴震颤，第二心音亢进分裂。该患者最可能为

单选题下述疾病中，常有空洞形成，除了

单选题A．骨髓瘤性肾病B．狼疮性肾炎C．肾病综合征D．急性肾小球肾炎E．过敏性紫癜肾炎

单选题尿毒症发病机制中，“健存”肾单位学说的内容是

单选题动脉血气分析pH 7．47，PaCO 2 30mmHg，BE一2．1mmol／L。提示

单选题以下哪项不见于急性心脏压塞

单选题A．PR间期延长B．P波与QRS波群无关C．PR间期逐渐延长，继之QRS波群脱落，呈周期性D．PR间期固定，有时QRS波群脱落

单选题A．脑血管意外B．心肌梗塞C．心力衰竭D．尿毒症E．休克 (1990年)

单选题关于NHL的治疗原则，不恰当的是

单选题下列关于二尖瓣狭窄所致大量咯血机理的叙述，正确的是( )(2007年)