男性,70岁,上唇一个毛囊尖处出现红肿、疼痛的结节,中央部有灰黄色小脓栓形成,错误的处置是() ["外敷鱼石脂膏","休息","应用抗生素","湿热敷","挤出脓栓,以利引流"]
药材槲寄生的原植物科名是() ["A.小檗科","B.桑寄生科","C.列当科","D.兰科","E.豆科"]
男,23岁。高处坠落,肛门部刺伤1小时。血液自肛门排出,直肠指诊发现直肠前壁长约2cm纵形裂口。能保证直肠伤口愈合的关键措施是() ["乙状结肠造瘘","损伤肠段切除一期吻合","经肛门伤口清创缝合","直肠伤口置管引流,并乙状结肠造瘘","留置肛管"]
分压式偏置共射放大电路,稳定工作点效果受()影响。 ["A、RB","B、Ucc","C、Rc","D、RE"]
与金黄色葡萄球菌毒力有关的因素() ["形成血浆凝固酶的能力","特异性细胞糖类的存在","磷酸酶活力","耐药性","透明质酸酶"]
挂拆接地线时人体不得接触()。