第18题: [简答题]Part 2&3Describe a useful website
Part3 What do you think about the internet What do different age groups of people do on the internet What is people’s life like with/ without the internet What are the differences between young people and elders on surfing on the Internet
参考答案:
第29题: [单项选择]Ⅱ型呼吸衰竭的呼吸功能改变为() A. 肺弥散功能障碍 B. 通气/血流比例失调 C. 机体氧耗量增加 D. 肺泡通气不足 E. 肺动-静脉样分流增加 参考答案:D 答案解析:Ⅱ型呼吸衰竭,即高碳酸性呼吸衰竭,血气分析特点是PaO<60mmHg,同时伴有PaCO>50mmHg。系肺泡通气不足所致。单纯通气不足,低氧血症和高碳酸血症的程度是平行的,若伴有换气功能障碍,则低氧血