【单选题】【消耗次数：1】
属于抗菌增效剂的是
①
磺胺嘧啶（SD）
②
甲氧苄啶（TMP）
③
磺胺甲噁唑（SMZ）
④
环丙沙星
⑤
司氟沙星
参考答案：
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相关题目
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磺胺甲噁唑和甲氧苄啶的作用机制为（）。
①
前者作用于二氢叶酸还原酶，后者作用于二氢叶酸合成酶
②
两者都干扰细菌对叶酸的摄取
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前者作用于二氢叶酸合成酶，后者作用于二氢叶酸还原酶
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两者都作用于二氢叶酸还原酶
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两者都作用于二氢叶酸合成酶
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