男孩8岁,近2日感手足指趾间皮肤瘙痒,并发现有斑丘疹和小丘疹,此前有赤足下田劳动史。首先考虑诊断为() ["荨麻疹","接触性皮炎","钩蚴性皮炎","虫咬性皮炎","钩端螺旋体病"]
关于肝局灶性结节增生,下列哪项是正确的() ["不属于真正的肝脏肿瘤,与周围组织分界不清","病变无包膜","肿块由正常的肝细胞组成,细胞排列紊乱","病灶内含血管,无胆管组织","发病率无明显性别差异"]
有关水痘的传染源,下述哪项是正确的() ["患者是传染源","无症状带菌者","带状疱疹患者的传染源作用较水痘患者更重要","带毒野生动物","带毒的家养动物"]
水痘-带状疱疹病毒的血清型有() ["1个血清型","2个血清型","3个血清型","4个血清型","5个血清型"]
麻疹患儿于疹退后1周,体温又上升到39℃,呕吐2次,抽搐1次,嗜睡。腰椎穿刺脑脊液白细胞数200×10/L,淋巴细胞0.80,蛋白0.8g/L,糖2.8mmol/L。诊断为() ["麻疹并发高热惊厥","麻疹并发脑炎","麻疹并发脑脓肿","麻疹并发结核性脑膜炎","亚急性硬化性全脑炎"]
Z6脱硫脱水带滤机运行中滤布的维护是什么?