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【单选题】
男性，30岁，自幼出现发作性呼吸困难，近3天来喘息发作不止，伴咳嗽、咳少量黏液痰。查体：端坐呼吸，口唇发绀，两肺可闻广泛呼气相哮鸣音。该患者最可能的诊断是A.
慢性阻塞性肺气肿
B.
喘息型支气管炎
C.
重症哮喘
D.
慢性支气管炎合并肺内感染
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【简答题】地方政府发展初期主要是以____竞争作为主要形式。
【单选题】The bacterial capsule is ( )
A.
A form of storage granule within the cell.
B.
A long thin protein rod that is used for attachment.
C.
A coating on the exterior of many cells
D.
A long thin protein rod that is used for bacterial exchange of genetic material.
E.
Always present on a cell that has the ability to form a capsule.
【简答题】脾位于 区,在第 肋深面,其长轴与第 肋一致,脾肿大时临床触诊的标志是 。
【单选题】Transformation is important in bacterial pathogenicity because
A.
it allows uptake of DNA that can homologously recombine into the bacterial chromosome and change virulence characteristics
B.
it kills recipient cells and prevents future cell invasion
C.
it enhances site-specific recombination that turns on virulence factor genes
D.
it causes transpositions to occur at high frequency that can kill virulent bacteria
E.
none of the above
【单选题】Which of the following statements about bacterial meningitis is incorrect?
A.
The most likely causes of bacterial meningitis vary with patient age.
B.
Chronic bacterial meningitis is mainly caused by mycobacterium tuberculosis.
C.
Acute bacterial meningitis is a true medical emergency.
D.
Iatrogenic infection is the most common route of infection for bacterial meningitis.
【简答题】简述UG NX软件常见的模块有哪些?
【简答题】脾位于 区,在第 肋深面,其长轴与 一致,脾肿大时临床触诊的标志是 。
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