主页
学科
搜索
账户
常见问题
当前学科:呼吸内科
题目:
单选
支气管哮喘发作的主要病理基础是()
A . 细菌感染
B . 支气管痉挛
C . 副交感神经兴奋
D . 支气管分泌物增多
E . 气道的非特异性炎症
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
属于望舌体内容的是()。
低通信号的抽样定理是什么?
我国慢性肾衰竭最常见的病因是()
适用于河谷狭窄、两岸地形陡峻、山岩坚实的山区河流的导流方法是( )。
巡检中发现管式加热炉炉墙温度偏高可能是由个别火焰燃烧太猛烈造成的。()
Revise the following e-mail message. And the formatting of the message is to be scored.TO: Andrea KanaThis message is in response to your recent inquiry about mail costs. Your message of April 30 said that you wanted a brief explanation of what is being done in Mail Services to cut back on overall costs. I can tell you that I've been doing many things to cut costs.For one thing. l' m trying very hard to locate duplicate names and addresses inadvertently included in our mailing lists. This problem is particularly difficult when we merge multiple mailing lists. Another thing l'm doing relates to envelope size. Departments that use envelopes larger than 631 by 1131 are costing us a lot of money. which they do not realize. Therefore. 1 am making a proposal to all departments to limit the envelope size.Finally. l' m looking into the possibility of presorting some of our first- and third-class mail. Mailings that are presorted are charged less.George Miller
临床常用的脑诱发电位有()
在Windows XP中,要正常删除已安装好的应用程序,一般应该()。
食管异物最危险的并发症是()
什么叫接地?接地有哪两种类型?