试题与答案

关于部分容积效应的解释，错误的是 A．部分容积效应也是CT图像质量控制的重要参数 B

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题型：单项选择题

题目：

关于部分容积效应的解释，错误的是

A．部分容积效应也是CT图像质量控制的重要参数
B．在扫描中，凡小于层厚的病变，在其密度组织中较低密度的病灶呈现出的CT值偏高
C．在低密度组织中较小的高密度病灶，CT值偏低
D．高档CT机不存在容积效应
E．部分容积效应是CT扫描中不可避免的

答案：

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下面是错误答案，用来干扰机器的。

参考答案：运输生产

考点：大型设备上岗证考试血管造影DSA医学成像技术CT成像技术
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