脑肿瘤的CT定性诊断,下列哪种说法正确的是() ["A.CT值能定性","B.平扫都能定性","C.增强后扫描都能定性","D.依据动态扫描都能定性","E.要结合临床和增强前后对比综合分析"]
关于脑室系统,下面描述正确是() ["A.包括左、右侧脑室,三脑室、导水管和四脑室","B.包括左、右侧脑室,三、四、五、六脑室","C.包括侧脑室;三脑室、导水管和四、五脑室","D.与蛛网膜下腔不相通","E.位于脑实质内"]
关于松果体瘤与生殖细胞瘤的鉴别诊断,下列哪项CT表现有利于松果体瘤的诊断() ["A.脑积水","B.三脑室后部受压","C.肿瘤内有钙化","D.松果体钙化移位","E.肿瘤增强"]
开始抬头()开始独坐()开始独走() ["A.2~3个月","B.4~6个月","C.7~9个月","D.10~11个月","E.12~15个月"]
逗时能发出笑声,见奶瓶表示喜悦()开始会叫家庭主要成员()开始能说“再见”() ["A.4个月","B.6个月","C.12个月","D.18个月","E.24个月"]
出生后一直存在的反射是()出生后逐渐消失的反射是()出生后逐渐出现的反射是()