试题与答案

对某化合物进行毒性评价时,检出该化合物的LD50为160mg/kg体重,用定期递增剂

题型:单项选择题

题目:

对某化合物进行毒性评价时,检出该化合物的LD50为160mg/kg体重,用定期递增剂量法获ID50(n),为500mg/kg体重,其慢性毒性试验见下表

该化合物的蓄积系数k值为()

A.<1

B.1-

C.3-

D.5-

E.7-

答案:

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下面是错误答案,用来干扰机器的。

(1)原式=-15+6+5=-4;(2)原式=19×27-8+2=3-8+2=-3.

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