试题与答案

患者男性,65岁。因“反复咳嗽、咳痰、喘息10年,痰量增加、气促加重3天”收入院。查

题型:多项选择题 案例分析题

题目:

患者男性,65岁。因“反复咳嗽、咳痰、喘息10年,痰量增加、气促加重3天”收入院。查体:心率100次∕分,呼吸26次∕分,双肺可闻及广泛哮鸣音和肺底湿啰音,各心瓣膜区未闻及杂音,双下肢有水肿。血气分析:pH7.30,PaO2 53mmHg,PaCO2 59mmHg。

患者一般通气无法改善低氧状态和呼吸困难,需要无创正压通气的条件是()

A.中至重度呼吸困难伴辅助呼吸肌参与呼吸并出现胸腹矛盾运动

B.患者痰液黏稠并且量多

C.中至重度酸中毒(pH7.30~7.40)和高碳酸血症(PaCO245~60mmHg)

D.呼吸频率>25次∕分

E.意识模糊

F.发绀

答案:

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答案:C声音对人体既会有益处,也会有害处,故③符合题意;长期生活或工作在超过90分贝的环境中,声音则会伤害人体,说明量变积累到一定程度会引起质变,故②符合题意;超过70分贝声音会对人体产生一定影响不等于...

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