问题
单项选择题
急性肺水肿时，典型X线征象应为（）
A.肺门舞蹈征
B.两肺纹理增粗
C.两肺门蝴蝶形阴影
D.肺透明度增加
E.以上全不是
答案
参考答案：C
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急性肺水肿时，典型X线征象应为（）
A.肺门舞蹈征
B.两肺纹理增粗
C.两肺门蝴蝶形阴影
D.肺透明度增加
E.以上全不是
参考答案：C
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