中年男性应该想到鼻咽癌的早期症状是()。 ["原因不明的头痛与眼外展肌的麻痹","涕中带血","颈部肿块","一侧咽鼓管功能障碍","有以上症状之一就应该引起注意"]
下肢丹毒易导致() ["组织坏死","化脓","反复发作","败血症","脓血症"]
关于急重型再障描述正确的是() ["红细胞减少为主","呈小细胞正色素贫血","血小板计数<20×109/L","网织红细胞绝对值多<25×109/L","白细胞计数多<3×109/L"]
使用下面哪种组织脱水剂脱水后不能用火棉胶包埋() ["丙酮","环己酮","异丙醇","正丁醇","乙醇"]
关于卵巢无性细胞瘤,下列哪一项是错误的() ["卵巢恶性生殖细胞实性肿瘤","常见于儿童及青年妇女","肿瘤彩色多普勒血流显像可显示丰富血流","卵巢实性良性肿瘤","卵巢少见肿瘤"]
腹部叩诊内容有哪些?