【单选题】风湿性心瓣膜病患者,胃肠镜检查前,如需预防心内膜感染,首选下列哪项措施预防肠球菌感染 ( )
【简答题】对风湿性心瓣膜病患者,胃镜检查前,首选下列哪项措施预防肠球菌感染( ) A.肌注青霉素及链霉素 B.口服羟氨苄青霉素和螺旋霉素 C.口服红霉素和氟哌酸 D.静注氨苄西林及肌注庆大霉素 E.静注万古霉素及肌注青霉素
【判断题】在电偶腐蚀过程中,两种金属的腐蚀电位相对关系一直不变。
【单选题】对风湿性心瓣膜病患者,胃镜检查前首选下列哪项措施预防肠球菌感染?
【单选题】Faces, like fingerprints, are unique. Did you ever wonder how it is possible for us to recognize people? Even a skilled writer probably could not describe all the features that make one face different...
A.
Why it is necessary to identify people ’ s personality.
B.
How best to recognize people.
C.
How to get to know people.
D.
Why it is possible to describe people.
【单选题】对风湿性心瓣膜病患者,胃镜检查前,首选下列哪项措施预防肠球菌感染
【单选题】塑料是以( )为主要成分,再加入适量的添加剂组成的