搜题请搜索小程序“爱下问搜题”
问题 单项选择题

感染伤口的处理原则是

A．控制感染，加强换药
B．彻底清创，立即缝合
C．彻底清创，延期缝合
D．清除坏死组织，立即植皮
E．局部制动、理疗

答案

参考答案：A

解析：伤口内有渗出液、脓液、坏死组织等，不可缝合，须经抗感染、换药逐渐愈合。

选择题

“伐薪烧炭南山中”是白居易所写的《卖炭翁》中的诗句，而竹炭的吸附能力是木炭的五倍以上，其主要成分竹炭纤维的化学式可表示为（C6H10O5）n．下列有关说法中，正确的是（　　）

A．砍伐竹子、烧炭、竹炭净化室内空气都属于物理变化

B．竹炭的吸附性和可燃性都属于竹炭的化学性质

C．竹炭纤维中C、H、O三种元素的质量比为 36：5：40

D．每个（C6H10O5）n分子中含有5n个H2O分子
查看答案
填空题



Despite (1) that alcoholic beverages may (2) , a leading medical expert is advising: don’t (3) just yet.
Anybody who’s ever worked in a hospital sees the hospital is full of patients that have (4) disease, but the hospital is not full of patients that have disease related to cholesterol and (5) .
In an (6) in the current New England Journal of Medicine, Dr. Goldberg of Columbia University said it is time to see (7) prevents heart disease. Such a study would give (8) to one group of heart disease patients and not to another, and see (9) .
In the latest study, which followed (10) over a 12-year period, researchers found that those who drank (11) drinks per week (12) of heart attack by (13) compared to (14) .
The lead author, (15) Kenneth Mukamal of Beth Israel Deaconess Medical Center in Boston, insists his study is (16) . For one thing, other studies have not looked at (17) .
Dr. Mukamal says (18) also appear to settle which alcoholic beverage are (19) . "Beer and spirits, beer and liquor, were most ply (20) ."
查看答案