[名词解释] 颅脑损伤或脑外伤

脑血管病 测定新生儿听阈，做哪项检查最好() ["A．纯音侧听","B．耳声反射","C．声导抗","D．听性脑干电位","E．音叉检查"] MRI目前对以下哪些疾病具有重要诊断价值() ["A．脊髓与椎间盘病变","B．胃肠道疾病","C．脑脱髓鞘疾病","D．眶内肿瘤","E．脑干与幕下区病变"] 小儿脑瘫 正常鼓室导抗图的声顺峰在压力轴的位置为() ["A．O点附近","B．负压侧","C．正压侧","D．无固定位置","E．无峰值"] 颅脑损伤或脑外伤