问题
单项选择题
气胸在哪些情况常采取保守治疗
A．肺压缩40%的外伤性气胸
B．肺压缩30%的慢性支气管炎、阻塞性肺气肿患者
C．肺压缩20%，血气分析显示PaO255mmHg的气胸患者
D．肺压缩20%的闭合性气胸，症状较轻者
E．肺压缩30%的慢性支气管炎、阻塞性肺气肿患者
答案
参考答案：D
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气胸在哪些情况常采取保守治疗
A．肺压缩40%的外伤性气胸
B．肺压缩30%的慢性支气管炎、阻塞性肺气肿患者
C．肺压缩20%，血气分析显示PaO255mmHg的气胸患者
D．肺压缩20%的闭合性气胸，症状较轻者
E．肺压缩30%的慢性支气管炎、阻塞性肺气肿患者
参考答案：D
| 用方框中所给词的适当形式填空。 | |
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