乙型脑炎的下列流行病学特点中,哪一种是错误的() ["蚊子是主要的传染媒介","人对乙脑病毒普遍易感","发病时间为严格的夏秋季节","新生儿常不易感染","发病常呈家庭聚集现象"]
囊虫寄生于人体的部位是() ["眼","肌肉","脑","皮下","以上都可"]
下列不是地方性斑疹伤寒皮疹主要特征的是() ["多于第4~5病日开始出疹","1~2日内遍及全身","皮疹开始为鲜红色充血性斑丘疹,以后转为暗红色,亦可为出血性皮疹","皮疹尤以颜面部为多","皮疹多于1周消退"]
在疟疾的表现中(典型),下列哪项是错误的() ["有完全缓解间歇","定时性、周期性寒热,大汗发作","脾肿大","白细胞增多,中性粒细胞升高","贫血"]
下列属于外毒素的是() ["脂多糖","白喉毒素","肠毒素","破伤风毒素","细菌素"]
关于玻璃体的叙述错误的是()