关于Dandy-Walker综合征的CT和MRI表现特征有（） ["A.小脑蚓部缺如或体积变小 ","B.第四脑室扩大 ","C.枕大池扩大 ","D.枕骨为薄 ","E.第四脑室侧隐窝消失"]
TORCH综合征包括下述哪些疾病（） ["A.弓形虫病 ","B.风疹 ","C.结核病 ","D.巨细胞包涵体病毒 ","E.单纯疱疹"]
外伤性CCF最常见的三大临床表现为（） ["A.搏动性突眼 ","B.球结膜充血水肿 ","C.进行性视力下降 ","D.颅内杂音 ","E.视野缺损"]
最常见的桥小脑角区脑外肿瘤是（） ["A.三叉神经纤维瘤 ","B.脑膜瘤 ","C.听神经瘤 ","D.胆脂瘤 ","E.星形细胞瘤"]
颅内脊索瘤与软骨瘤相鉴别中最有价值的是（） ["A.Gd-DTPA增强扫描 ","B.肿瘤信号特点 ","C.钙化 ","D.肿瘤周围水肿 ","E.肿瘤部位"]
如何预防消化道传染病？
