超声用于骨折的主要目的是() ["辅助诊断骨折,指导手法复位","鉴别血肿与软组织水肿","复杂骨折的实质性器官的排除性检查","评价骨折延迟愈合和骨不连接的原因","以上都是"]
急性会厌炎最严重的情况是()。 ["畏寒、发热","咽喉疼痛","败血症","吸气性呼吸困难","吞咽困难"]
女性,34岁,妊娠6个月,既往月经量过多。实验室检查:Hb75g/L,RBC3.3×1012/L,网织红细胞2%,血清铁6.32μmol/L,总铁结合力85.34μmol/L,血清总胆红素2.0μmol/L,最可能的诊断是() ["失血性贫血","巨幼细胞贫血","缺铁性贫血","溶血性贫血","铁粒幼细胞性贫血"]
细胞外液约占体重的() ["10%","20%","40%","60%","80%"]
肝硬化患者突然出现剧烈腹痛,发热,腹水迅速增加,脾增大,最大可能的并发症是() ["肝破裂","原发性腹膜炎","门静脉血栓形成","肝肾综合征","胃肠穿孔"]
正常脊柱生理弯曲由什么组成?