前药(prodrug)
细菌内毒素的特征是()。 ["只有革兰阴性细菌产生","少数革兰阳性细菌产生","细菌在生活状态下释放","抗原性强","不耐热"]
下列形状中属良性肿瘤外形的是() ["树枝状","溃疡状","菜花状","结节状","以上都不是"]
关于内毒素描述,错误的是()。 ["来源于革兰阴性细菌","化学成分为蛋白质","死亡裂解释放","毒性作用较弱,引起发热等","耐热,160℃2~4h才被破坏"]
肺虚喘证的临床表现是()。 ["喘急胸闷,伴有咳嗽","喘急气促,伴有鼻冀煽动","喘咳痰多而黏,咳出不爽","喘促,呼多吸少,动则更甚","喘促短气,言语无力"]
软药(soft drug)