小细胞低色素性贫血可见于() ["缺铁性贫血","地中海贫血","铁粒幼细胞贫血","再生障碍性贫血","慢性病性贫血"]
Ⅰ型神经纤维瘤病中有诊断意义的牛奶咖啡斑总数应不少于() ["1个","2个","4个","3个","6个"]
患者胃肠吻合术后应禁用() ["环丙沙星","清蛋白","脂肪乳","糖皮质激素","哌替啶"]
关于肺炎克雷伯杆菌肺炎,下列哪项是错误的() ["病变以上叶较多见","该细菌常存在于人体上呼吸道和肠道","病死率高","治疗首选头孢类药","慢性病例有时需做肺叶切除"]
11岁,女,发育延迟,头颅巨大,CT检查如图,最可能的诊断是() ["脑积水","颅后窝巨大蛛网膜囊肿","巨大枕大池","硬膜下积液","Dandy-Walker综合征"]
消化道重复畸形按形态分几类,其常见于哪些脏器?与肠系膜囊肿在结构上有什么不同?