题目内容
关于胃壁的测量,正确的说法是( )
2021-10-14
A.超声可显示胃壁的3层结构
B.最内层为强回声,代表黏膜层回声
C.肌层为强回声
D.浆膜层呈现为弱回声
E.胃壁厚度的平均值为6mm
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