皮肤受照后出现坏死溃疡属于皮肤损伤的级别为() ["0度","Ⅰ度","Ⅱ度","Ⅲ度","Ⅳ度"]
预防轮状病毒肠炎较理想的方法为() ["流行期间给予抗病毒药物","流行期间给予免疫球蛋白","流行期间服用中药","口服相应疫苗","皮下注射疫苗"]
发生在输血1~2小时内的是() ["变态反应","发热反应","过敏反应","溶血反应","细菌污染反应"]
极重型哮喘发作的少见征象包括() ["A.意识障碍","B.纵隔积气或气胸","C.动脉PCO2<\/sub>>40mmHg","D.奇脉>20mmHg","E.哮鸣音减弱或消失"]
有关生物转化的叙述,正确的是() ["主要在心、肝、肾的微粒体进行","第一相反应为氧化、还原或水解,第二相反应为结合","又称为消除","使多数药物药理活性增强,并转化为极性高的水溶性代谢物","药物经生物转化后,有利于分布"]
肾小球滤过率<25ml/min最好少用()肾小球滤过率<25ml/min最好补()