石油中主要元素包括哪些?非烃类化合物主要包括哪些?
下列试验哪项属于体内试验() ["PT测定","APFF测定","BT测定","血块收缩试验","PLT计数"]
尿路结石的预防,以下哪项是错误的() ["大量饮水","草酸盐结石的病人应限制浓茶、菠菜、番茄、芦笋、花生等摄入","高尿酸的病人应避免高嘌呤食物如动物内脏。经常检查尿pH,预防尿酸和胱氨酸结石时尿pH保持在6.5","草酸盐结石病人可口服别嘌醇和碳酸氢钠,以抑制结石形成;口服氧化镁可增加尿中草酸溶解度","有尿路梗阻、尿路异物、尿路感染或长期卧床等,应及时得到治疗,以避免结石发生"]
寒湿腰痛除主穴外,应加取() ["腰阳关","膈俞","申脉","肾俞","后溪"]
男性,35岁,膀胱内2cm大小结石,首选治疗方法是() ["药物溶石","切开膀胱取石","内镜下碎石取石","体外震波碎石","不予处理"]
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