试题与答案

正常组织显影，而病变组织不显影的显像是A．平面显像 B．断层显像 C．阴性显像 D．

来源：www.tikuol.com
题型：单项选择题

题目：

正常组织显影，而病变组织不显影的显像是

A．平面显像

B．断层显像

C．阴性显像

D．阳性显像

E．介入显像

答案：

参考答案：C

解析：正常脏器和组织细胞可选择性摄取某种放射性药物，能显示出该脏器或组织的形态和大小，而病灶区失去正常组织细胞的功能，故常不能摄取显像剂，呈现放射性分布稀释或缺损。

考点：放射医学技师放射技师专业实践能力初级放射医学技师专业实践能力5
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