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问题 单项选择题 A1/A2型题

用于抢救肝素所致严重出血的药物是（）

A.维生素K

B.甲酰四氢叶酸钙

C.硫酸鱼精蛋白

D.对羧基苄胺

E.凝血酶

答案

参考答案：C

解析：硫酸鱼精蛋白是强碱性蛋白，带有正电荷，可与肝素结合成稳定的复合物而使肝素失活。

单项选择题

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (66) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (67) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’ s address book ,previous emails, web pages (68) .
As administrators seek to block dangerous email attachments through the recognition of well- known (69) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd plus a whole list of other extensions and will still run and successfully infect target users. Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (70) access to your network.

A．cracker

B．user

C．customer

D．client
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单项选择题

患者，男性，2岁，因发热咳嗽３天，呼吸急促，口唇青紫半天就诊，体检：T:38℃，P:66次/分，R:160次/分，呈重病容，烦燥，面色青灰，鼻翼扇动，两肺有散干、湿性罗音。第一心音低钝，未闻及杂音。腹胀，肝右肋下3cm。临床诊断：1.支气管肺炎；2.急性心力衰竭
提示：常握肺炎所致急性心衰时使用洋地黄的注意事项。

下列哪一种强心甙口服吸收最完全：

A．去乙酰毛花甙丙

B．西地兰

C．洋地黄毒甙

D．毛花一级甙丙

E．毒毛花甙Ｋ
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