问题
单项选择题
当病人输入大量库存血后容易出现
A．低血钾
B．高血钾
C．低血钠
D．高血钙
E．高血铁
答案
参考答案：B
解析：库存血虽含有血液的各种成分，们白细胞、血小板、凝血酶原等成分破坏较多。钾离子含最增多，酸性增高。大量输注可引起高血钾症和酸中毒。
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当病人输入大量库存血后容易出现
A．低血钾
B．高血钾
C．低血钠
D．高血钙
E．高血铁
参考答案：B
解析：库存血虽含有血液的各种成分，们白细胞、血小板、凝血酶原等成分破坏较多。钾离子含最增多，酸性增高。大量输注可引起高血钾症和酸中毒。
| 阅读下面的短文，把A-E五个句子填入文中空缺处,使短文内容完整正确。 | |
| Should mobile phones be allowed at school? __1__ Some mobile phones are more than just phones -they are being used as radios, cameras and MP4 players, and they are also used to send e-mails or surf the Internet. __2__ People have different ideas about whether students should use mobile phones at school or not. __3__ If their parents have something important to tell them, they can call their teachers for help. If someone's mobile phone rings during a Chinese class, he and his classmates can't concentrate on what the teacher is saying. Some parents also point out that their children often use their mobile phones to download (下载) unhealthy information from the Internet. __4__ Other people believe that we can find some ways to use mobile phones to help students learn better in the classroom, since many of today's mobile phones are like mini computers. And children usually know more than adults about how to use new technology (技术). __5__ What are your answers to the question?
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