一岁半男孩，因“发热、咳嗽3天”收入院，此前其因“肺炎”已住院3次。查体：神清，呼吸急促，前囟1.5cm×1.5cm，平软，可见方颅，鸡胸，肋骨串珠及郝氏沟，双肺底可闻细湿啰音，心(-)，腹软，下肢呈中度X型腿。患儿的治疗为() ["A．口服鱼肝油","B．口服锌","C．口服钙","D．肌注维生素D","E．静滴维生素D"]
干酪性肺炎属于() ["A．慢性纤维空洞型肺结核","B．原发性肺结核","C．血型播散型肺结核","D．浸润型肺结核","E．以上都不是"]
何谓咽隐窝、会厌谷、梨状窝?
男，53岁，背痛半月余，有静脉注射毒品史，结合影像学检查，最可能的诊断是() ["A．硬脊膜外脓肿","B．脊膜瘤","C．硬膜下血肿","D．硬膜外血肿","E．脊髓空洞症"]
下列哪项不是白血病的临床表现() ["A．发热","B．出血","C．血糖降低","D．贫血","E．器官浸润 "]
试述咽淋巴内环的组成。
