属于升主动脉分支的是() ["左、右冠状动脉","头臂干","右颈总动脉","右锁骨下动脉","胸主动脉"]
肠伤寒最严重的并发症是() ["中毒性心肌炎","支气管肺炎","肠出血","肠穿孔","脑炎"]
周围性眩晕可见于()。 ["迷路炎","癫痫","多发性硬化","高血压脑病","小脑出血"]
患儿1岁零2个月,生后混合喂养,5个月来因迁延性腹泻改用米糊喂养,10天来发热,咳嗽,拒食。体检:精神萎靡,反应低下,面色苍白,皮下脂肪消失,皮肤弹性差,咽充血,两肺可闻细湿啰音,血常规:红细胞2.8×1012/L,Hb60g/L。治疗开始时,每日供给热量为() ["A.67~105KJ\/kg","106~160KJ\/kg","165~230KJ\/kg","250~328KJ\/kg","328~411KJ\/kg"]
支气管哮喘的临床特征() ["吸气性呼吸困难","反复发作、阵发性、呼气性呼吸困难","反复发作,吸气性呼吸困难","夜间阵发性呼吸困难","肺部有较多的哮鸣音伴肺底湿啰音"]
军团病的主要传播途径是什么?