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【单选题】
下列哪一项检查结果对诊断阻塞性肺气肿最有价值A.
肺活量低于正常
B.
潮气量低于正常
C.
血氧分压低于正常
D.
残气量/肺总量＞40%
E.
血二氧化碳分压高于正常
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皮皮学刷刷变学霸
举一反三
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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D.
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A.
G
B.
R
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