問題詳情
15.數位減贅血管攝影（digital subtraction angiography）中使用雙能量（dual energy）減贅技術，其優點為何？
(A)不需使用對比劑，對不同光子能量有不同之相依性
(B)可降低散射情形，增加影像對比
(C)可降低影像上之統計雜訊
(D)增加K緣吸收，提高影像解析度
(A)不需使用對比劑，對不同光子能量有不同之相依性
(B)可降低散射情形，增加影像對比
(C)可降低影像上之統計雜訊
(D)增加K緣吸收，提高影像解析度
參考答案
答案：A
難度：簡單0.717791
統計：A(117),B(7),C(7),D(32),E(0)
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