问题
单项选择题
以下关于血气分析质控物的叙述错误的是（）
A.质控物平衡至室温后，再用力振摇2～3分钟才能开瓶使用
B.开启安瓿后，应立即注入仪器中检测
C.质控数据如偏离参考范围，应检查原因
D.过期的质控物不能使用
E.质控品中的分析物在气液两相中的平衡受温度影响小
答案
参考答案：E
解析：质控物中的物质在气液两相中的平衡受温度影响使pH值发生改变。
搜题请搜索小程序“爱下问搜题”
以下关于血气分析质控物的叙述错误的是（）
A.质控物平衡至室温后，再用力振摇2～3分钟才能开瓶使用
B.开启安瓿后，应立即注入仪器中检测
C.质控数据如偏离参考范围，应检查原因
D.过期的质控物不能使用
E.质控品中的分析物在气液两相中的平衡受温度影响小
参考答案：E
解析：质控物中的物质在气液两相中的平衡受温度影响使pH值发生改变。
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| "Where is the university? " This is a question that many visitors to Cambridge (剑桥) ask. But no one can give them a 1 answer, for there is no wall to be found 2 the university. The university is the city. You can find classroom buildings, 3 , museums and offices of the university all over the city. And most of its members are the students and 4 of the thirty-one colleges (学院). Cambridge was already a 5 town long before the first students and teachers arrived 800 years ago. It grew up by the river Granta, and the river was once 6 the Cam. A 7 was built over the river as early as 875, so the town got its name "Cambridge". In the fourteenth and fifteenth centuries more and more land was used for college buildings. The town grew much 8 in the nineteenth century after the opening of the railway in 1845. Cambridge became a 9 in 1951 and now it has a population of over 100,000. Many young students in other countries 10 study at Cambridge. | ||||
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