根据近视度数分类，高度近视的屈光度高于() ["A．-2.00D","B．-4.00D","C．-6.00D","D．-8.00D","E．-10.00D"]
高强度聚焦超声还可称为() ["A．体外聚焦高温疗法","B．聚焦超声外科","C．超声聚焦刀","D．超声切割","E．以上各项均是"]
脑幕裂孔疝和枕骨大孔疝的临床表现及抢救方法有何不同？
试述脑脓肿手术前后的护理要点。
准分子激光光屈光性角膜切削术(PRK)治疗近视时，切削角膜() ["A．周边区基质","B．旁中央区基质","C．中央区基质","D．中央区浅表组织","E．旁中央区浅表组织"]
试述脑疝病人的急救及护理。
