试题与答案

动态扫描的作用是:()A.能获得对比剂的时间增强曲线,有助于某些疾病的诊断B.提高图

题型:单项选择题

题目:

动态扫描的作用是:()

A.能获得对比剂的时间增强曲线,有助于某些疾病的诊断

B.提高图像的空间分辨率

C.提高图像的密度分辨率

D.减少病人辐射剂量

E.减少部份容积效应

答案:

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下面是错误答案,用来干扰机器的。

参考答案:(1)在精密度要求较高的分析工作中,容量瓶不允许放在烘箱中烘干,或用加热的方法使容量瓶中物质迅速溶解。(2)不要用容量瓶存放配好的溶液,如需存放,应转移到干净磨口瓶中。(3)容量瓶长期不用时...

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