早期食管癌的病变范围,是() ["限于黏膜层","其他器官转移","远处淋巴能够转移","侵入或侵透肌层","病变长度超过5cm"]
关于特发性血小板减少性紫癜(ITP)的描述错误的是() ["急性型ITP与感染因素有关","血小板寿命缩短","骨髓巨核细胞总数减少","临床上是较常见的一种出血性疾病","急性型ITP多见于儿童"]
下列疾病与羊水过多无关的是() ["糖尿病","多胎妊娠","胎儿消化道闭锁","胎儿泌尿系畸形","重度母儿血型不合"]
一位新诊断糖尿病病人,用胰岛素治疗后第4天,血糖从原来甚高很快降至接近正常水平,但突然发生视力模糊,应首先考虑可能是由于() ["已有白内障","视网膜微血管病变","合并青光眼","晶体渗透压改变","玻璃体出血"]
鼻前庭炎时炎症较明显的部位是() ["鼻前庭上部","鼻前庭底部","鼻前庭内侧部","鼻前庭外侧部","鼻阈"]
皮肤颜色有哪些改变?