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34 附圖是一張胸部的磁振影像,很明顯地可以看到中央垂直方向有假影,下列有關這張磁振影像的敘述,何者錯誤? (A)假影是由心跳所造成的(B)取影切面是 axial(C)水平方向是 frequency
問題詳情
34 附圖是一張胸部的磁振影像,很明顯地可以看到中央垂直方向有假影,下列有關這張磁振影像的敘述,何者錯誤?
(A)假影是由心跳所造成的
(B)取影切面是 axial
(C)水平方向是 frequency encoding 方向
(D)受試者在取影時暫停呼吸(breath holding),可以減少這種假影
參考答案
答案:D
難度:適中0.416667
統計:A(0),B(1),C(4),D(5),E(0)
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