不属于骨髓六大造血系统的是() ["红细胞系统","粒细胞系统","网状细胞系统","巨核细胞系统","淋巴细胞系统"]
卵巢交界性浆液性囊腺瘤哪项描述是错误的() ["多为双侧中等大小","较少乳头状生长在囊内","细胞核轻度异型","核分裂象<3/HPF","无间质浸润"]
奶瓶龋好发于() ["上颌乳切牙的光滑面和第一乳磨牙的咬合面","下颌乳切牙的光滑面和第一乳磨牙的咬合面","上颌前牙的光滑面和磨牙的咬合面","下颌前牙的光滑面和磨牙的咬合面","全部乳牙"]
哪项不是早产原因() ["子宫畸形","宫颈内口松弛","胎儿生长受限","妊娠期高血压疾病","前置胎盘"]
病理大体标本制作中最常用的固定液是() ["10%福尔马林(实际上是4%的甲醛)","80%乙醇","纯丙酮","5%醋酸","1%锇酸"]
后颅窝肿瘤的生长部位不同常引起的相应表现,主要有()、()、()和()。