直接致癌物是指（） -题库考试答案搜索网

直接致癌物是指（）

单选题

2021-12-28 10:13

A、代谢活化成终致癌物过程的中间代谢产物
B、不经代谢活化即有致癌活性的物质
C、需经代谢活化才有致癌活性的物质
D、兼有引发（启动）、促长、进展作用的物质
E、经代谢转化最后产生的有致癌活性的代谢产物

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正确答案

B

试题解析

标签：卫生毒理学公卫执业医师

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