男，1岁，有头皮损伤史，CT检查，最可能的诊断是() ["A．脑膨出","B．胼胝体发育不全","C．Dandy-Walker综合征","D．狭颅症","E．脑积水"]
吞咽困难的原因有哪些?
下列各种图像哪个对显示后颅窝肿瘤最敏感() ["A．X线平片","B．CT图像","C．T1加权像","D．质子密度加权像","E．T2加权像"]
年长儿中占总能量的50%-60%()年长儿中占总能量的25%-30%()年长儿中占总能量的8%-15%() ["A．蛋白质","B．脂肪","C．碳水化合物","D．维生素","E．水"]
饮食反流
咽异感症
