在假设检验时,本应作单侧检验的问题误用了双侧检验,可导致()。A.统计结论更准确 B

题型:单项选择题

问题:

在假设检验时,本应作单侧检验的问题误用了双侧检验,可导致()。

A.统计结论更准确

B.增加了第一类错误

C.增加了第二类错误

D.减小了可信度

E.增加了把握度医学教

考点:公卫执业医师2008年公卫执业医师考试《卫生统计学》考试真题
题型:单项选择题

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用口号中词语的正确形式填空。

Good morning, ladies and gentlemen. I’m very pleased  小题1:  (see) all of you here because you are my special guests. Welcome to our company’s museum. My name is Brown, George Brown. I’m the general manager of the company. As you all know, we   小题2:  (main) make computers in our company, as well as some other electronic products. But we are also quite interested in  小题3:  (educate). That’s why we have founded this museum, 小题4:  children can learn how computers have been developed, how they are made   小题5:  how they are used in industry, agriculture, scientific research and many other areas. Children can operate the computers, push the buttons and listen to stories about computers, and they can enjoy video shows. I know you are all teachers and you know小题6:  schoolchildren really need. So I hope you can give me suggestions after you   小题7: (show) around. I want my museum to be the best of its kind   小题8:  it opens to all schoolchildren. This is Mr Tom Silver, my assistant. He will be your guide now. I’ll be ___小题9:___ you in an hour and a half. Enjoy   小题10: . See you.

题型:单项选择题

脾脏触诊时,在什么情况下需要采用右侧卧位双手触诊法?

题型:单项选择题

女,65岁,冠心病心绞痛史8年,无高血压史,夜间突发心前区疼痛8小时入院。入院时血压为150/90mmHg(20/12kPa),经心电图检查,诊断急性前壁心肌梗死。

最可能的心电图表现为()

A.Ⅱ、Ⅲ、aVF出现异常Q波,伴ST段弓背向上抬高

B.V1~V4出现异常Q波伴ST段弓背向上抬高

C.V1~V4出现冠状T波

D.频发室性早搏

E.Ⅲ度房室传导阻滞

题型:单项选择题

公路养护单位的安全检查一般采用()等方法进行

A.一般检查法

B.随机抽查法

C.安全考核表法

D.安全检查评分表法

题型:单项选择题

下列关于五脏与五液的关系中,不正确的描述是()

A.肝在液为泪

B.心在液为血

C.脾在液为涎

D.肺在液为涕

E.肾在液为唾

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