试题与答案

使用CT增强扫描主要目的是A.可以减少扫描时毫安秒的用量 B.帮助确定病变的位置 C

题型:单项选择题

题目:

使用CT增强扫描主要目的是

A.可以减少扫描时毫安秒的用量

B.帮助确定病变的位置

C.提高病变组织的空间分辨率

D.增强物体的对比度和观察病变组织的血供

E.提高CT机的密度分辨率

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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