患者因乏力、心悸、头晕、感染、发热2个月来医院检查,诊断为再障,其发病首位病因是()
A.药物及化学物质
B.电离辐射
C.感染
D.慢性失血
E.遗传
参考答案:A
6个月,男婴,人工喂养。平时易惊、多汗、 睡眠少,近2日来咳嗽、低热,今晨突然双眼凝 视,手足抽动。查体:枕后有乒乓球感。止抽后的处理是
A.静滴钙剂
B.供给氧气
C.肌注呋塞米
D.肌注维生素B
E.静滴葡萄糖溶液
There are several applications called Web (69) that make it easy to access the World Wide Web, two of the most popular being Netscape Navigator and Microsoft’s Internet Explorer.
A.views
B.homepages
C.browsers
D.sites