对于胆结石性黄疽的患者,不宜先施行的是
A.手术取石
B.内科降黄治疗
C.ERCP
D.胆道穿刺引流
E.内科排石治疗
参考答案:D
______ in the office had made a mistake, and the firm regretted causing the customers inconvenience.
A.None
B.Anyone
C.One
D.Someone
男性,18岁。慢性肾炎5年,肌酐清除率65ml/min,3天前患肺炎。应选用哪种抗生素()。
A.卡那霉素
B.羧苄青霉素
C.四环素
D.庆大霉素
E.链霉素