問題詳情
47 磁振造影中拉鍊假影(zipper artifact)的產生主要是因為:
(A)沒有好的射頻(RF)屏蔽
(B)沒有好的主磁場屏蔽
(C)主磁場不均勻
(D)病人呼吸
(A)沒有好的射頻(RF)屏蔽
(B)沒有好的主磁場屏蔽
(C)主磁場不均勻
(D)病人呼吸
參考答案
答案:A
難度:簡單0.875
統計:A(14),B(1),C(1),D(0),E(0)
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