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问题 单项选择题

男性，46岁，胃溃疡病史20年，近3个月疼痛加重，伴头晕、乏力，面色苍白。查血红蛋白70g/L，红细胞形态具备小细胞低色素特点，血清铁蛋白8μg/L，血清铁30μg/L，血清总铁结合力：600μg/L，在下一步诊断措施中，哪一项最重要

A．骨髓造血细胞形态学检查
B．大便隐血试验
C．铁剂试验治疗
D．胃液分析及脱落细胞学检查
E．胃镜下可疑病变部位病理活组织检查

答案

参考答案：E

单项选择题

A proven method for effective textbook reading is the SQ3R method developed by Francis Robinson. The first step is to survey (the S step) the chapter by reading the title, introduction, section headings, summary and by studying any graphs, tables, illustrations or charts. The purpose of this step is to get an overview of the chapter so that you will know before you read what it will be about. In the second step (the Q step), for each section you ask yourself questions such as "What do I already know about this topic" and "What do I want to know" In this step you also take the section heading and turn it into a question. This step gives you a purpose for reading the section. The third step (the first of the 3 R’s) is to read to find the answer to your questions. Then at the end of each section, before going on to the next section, you recite (the second of the 3 R’s) the answers to the questions that you formed in the question step. When you recite you should say the information you want to learn out loud in your own words. The fifth step is done after you have completed steps 2, 3 and 4 for each section. You review (the last of the 3 R’s) the entire chapter. The review is done much as the survey was in the first step. As you review, hold a mental conversation with yourself as you recite the information you selected as important to learn. The mental conversation could take the form of asking and answering the questions fromed from the headings or reading the summary, which lists the main ideas in the chapter, and trying to fill in the details for each main idea.

Which of the following is the fourth step（）

A. To question yourself

B. To read for information

C. To utter your answers

D. To draw a conclusion
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单项选择题

急性下壁心肌梗死最易合并（）

A.室性早搏

B.房室传导阻滞

C.心房颤动

D.房性心动过速

E.右束支传导阻滞
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