患者男性，21岁，因车祸致头部外伤，当时昏迷10min，清醒后主诉头痛，不能回忆当时情况，恶心并呕吐一次。考虑患者为
A. 脑震荡
B. 脑挫裂伤
C. 头部挫伤
D. 颅内血肿
E. 颅底骨折
查看答案
患者女性，42岁，糖尿病病史5年。血常规示：白细胞3.2×109/L。为防止发生泌尿系统感染，不宜做的检查是
A. 酚红排泄试验
B. 逆行肾盂造影
C. 尿路超声检查
D. 静脉肾盂造影
E. 放射性核素检查
关于补体系统描述错误的是( )
A. 溶解细菌
B. 37℃，30分钟可被灭活
C. 可经血清被动转移
D. 都是β球蛋
E. 与抗原刺激相关
可结合吞噬细胞的Ig类别有( )
A. IgG1
B. IgC3
C. IgA
D. IgD
E. IgE
Many of the unemployed felt ashamed of their condition because _______.
A. they imagined they were to blame for being out of work
B. nobody wanted to admit that unemployment was inevitable
C. they had to admit that unemployment would probably continue
D. they felt the middle classes were right to say they could find work if they wanted to
微信支付 
支付宝支付