先天性支气管扩张症的病因是

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• 1An air bronchogram sign is

  A.a normal finding caused by air-filled bronchi

  B.an abnormal finding indicating atelectasis

  C.an abnormal finding indicating bronchial displacement

  D.an abnormal finding indicating dense infiltrate within the lung parenchyma

  E.an abnormal finding indicating emphysema

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• 2Calcification of a pulmonary nodule indicates that it is most likely

  A.primary malignant tumor

  B.a benign lesion

  C.a metastatic lesion

  D.a cystic lesion

  E.a neoplasm

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• 3Atelectasis is

  A.punctured lung

  B.an overinflated lung

  C.a collapsed，airless lung

  D.a lung with fluid-filled air spaces

  E.a lung shifted out of its normal position

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• 4Lobar enlargement，an air bronchogram sign，and a bulged fissure (away from the involved lobe)，are radiologic indications of

  A.lobular pneumonia

  B.atelectasis

  C.lymphangitic spread of metastatic lesions

  D.interstitial bacterial pneumonia

  E.lobar pneumonia

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• 5Air-space disease may be indicated on plain film by

  A.“bat-wing” pattern of dense infiltrates，with an air bronchogram sign

  B.“honeycomb lung”

  C.Kerley’s lines

  D.a meniscus sign

  E.bronchiectasis

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• 6关于支气管扩张的形态及发生部位，哪项最常见

  A.柱状扩张、左肺下叶

  B.柱状扩张、右肺中叶

  C.囊状和柱状混合存在、右肺下叶

  D.局限性梭形扩张、左肺舌段

  E.局限性梭形扩张、左肺下叶

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• 7支气管扩张的胸部X线平片表现为

  A.肺纹理增强蜂窝状阴影

  B.球形阴影

  C.斑片状阴影、肺纹理增强

  D.空洞

  E.索条状阴影

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• 8下列对大叶性肺炎的描述，不正确的是

  A.肺野内大片实变

  B.病变按肺叶肺段分布

  C.病变肺段伴不张，体积可缩小

  D.肺纹理模糊及肺纹理旁小斑点片影

  E.病变内可见支气管气像

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• 9下列对支气管肺炎的描述，正确的是

  A.肺野内大片实变

  B.病变按肺叶肺段分布

  C.病变肺段体积缩小

  D.肺纹理模糊及肺纹理旁小斑点片影

  E.病变内可见支气管气像

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• 10男性，25岁。高热、恶寒、胸痛、咳嗽3天。白细胞总数增多，胸部X线片示右上叶大片状阴影，下界清楚。应诊断为

  A.支原体肺炎

  B.肺不张

  C.大叶性肺炎

  D.肺脓疡

  E.支气管肺炎

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