【单选题】【消耗次数：1】
胃肠型食物中毒最常见的病原菌是
①
沙门菌属
②
大肠杆菌
③
副溶血性弧菌
④
金黄色葡萄球菌
参考答案：
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【单选题】
检测金黄色葡萄球菌β内酰胺酶产生的方法，不正确的是（ ）
①
检测方法为青霉素纸片扩散法
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培养基为MHA
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药物浓度为青霉素纸片（10单位）
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孵育条件为室温环境
⑤
孵育时间16-18h
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