蛛网膜下腔出血，CT检查最适宜的时间为() ["A．发病当天","B．发病1周后","C．发病10天后","D．发病2周后","E．发病1个月后"]
临床工作中按小儿年龄分为哪几期?
女，30岁，闭经，溢乳1年。CT检查技术采用() ["A．头颅轴位平扫","B．头颅冠状位平扫","C．蝶鞍矢状位增强扫描","D．蝶鞍冠状位薄层增强扫描","E．蝶鞍矢状位薄层增强扫描"]
正常室间孔呈() ["A．“Y”字形","B．方形","C．长方形","D．三角形","E．梭形"]
学龄前期(preschoolage)
婴儿期(infancy)
