Computer-based approaches to education can enhance almost all other forms of distance education.
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Because this pay-for-what-you-use model resembles the way electricity, fuel and water are consumed; it is sometimes referred to as utility computing.
患者,男性,68岁。食管癌术后需给予肠外营养支持3周,在进行胃肠外营养时,以下说法正确的是
A. 早期复苏阶段血流动力学不稳定时可选用PN
B. PN时间≥2周以上的患者常采用经外周静脉进行营养输注
C. 经中心静脉进行营养输入时首选锁骨下静脉
D. 隔日更换输注管道,营养液在24小时内输完
E. 患者进行PN时出现高血糖为正常情况,注意观察即可
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