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【单选题】
关于正常人肺泡呼吸音听诊 , 错误的是:A.
由肺泡壁弹性改变和气流的震动发出音响
B.
为一种柔和的吹风样性质声音
C.
类似上齿咬住下唇吸气时发出的“夫…”音
D.
吸气时音响较强
E.
分布于肺底部
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