甲氧氯普胺的止吐机制是（） -题库考试答案搜索网

甲氧氯普胺的止吐机制是（）

单选题

2021-12-28 10:46

A、阻断延髓催吐化学感受区多巴胺受体
B、直接抑制延髓呕吐中枢
C、阻断胃肠道平滑肌的M受体
D、阻断胃肠道平滑肌的H
E、直接抑制中枢而抑制呕吐反射弧

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正确答案

A

试题解析

甲氧氯普胺主要是通过阻断延髓催吐化学感受区多巴胺受体而发挥作用，所以选A。

标签：药理学主管药师

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