下列各项,属异位妊娠手术适应证的是() ["停经时间长,疑为输卵管间质部或残角子宫妊娠者","阴道出血量多者","腹痛剧烈者","腹腔血肿包块形成者","双合诊触及一侧附件有包块者"]
特发性血小板减少性紫癜急性型与慢性型的区别,下述哪项不正确() ["急性型多见于儿童,慢性型多见于青年","急性型常有感染诱因,慢性型诱因不明显","急性型血小板计数在(30~80)×109/L,慢性型多<20×109/L","急性型起病突然,慢性型起病缓慢","急性型病程短,常可自行缓解;慢性型多反复发作,无自行缓解"]
对计数资料进行描述的主要指标是() ["均数","相对数","标准差","中位数","四分位数间距"]
青光眼滤过手术后应观察() ["A.角膜是否清亮、前房深浅","B.伤口缝线及滤过泡大小及形态","C.虹膜根切口是否通畅","D.瞳孔大小","E.眼压情况"]
为说明某医院夏、秋季肠道传染病在门诊病例中的比重大小,应选用的指标是() ["率","构成比","相对比","均数","中位数"]
消化性溃疡的进一步检查(病例分析)