治疗军团菌肺炎的首选药为() ["庆大霉素","红霉素","克林霉素","头孢噻肟钠","妥布霉素"]
有助于军团菌肺炎早期诊断的检查是() ["X线检查","血培养","血清抗体","尿抗原测定","血常规"]
一个健康的成人,给以无铁饮食,也不给任何铁剂,他体内的铁量也不因失血而丢失的话,需多少时间才能耗尽:() ["3个月以后","6个月以后","一年后","三年后","五年后"]
诊断支原体肺炎的主要依据是() ["红霉素试验性治疗","痰细菌培养阴性","血清冷凝集试验阳性","临床表现","X线特异表现"]
下列哪一项试验检查对确定体内缺铁的诊断意义最大:() ["血清铁降低","网织红细胞降低","血清总铁结合力升高","骨髓贮存铁缺乏","红细胞是小细胞低色素型"]
男性,16岁,初步诊断脑膜炎,需做脑脊液检查。请为患者行腰椎穿刺术。