【单选题】【消耗次数：1】
用于输注全血、成分血或生物制剂的输血器宜（）小时更换一次
①
1
②
2
③
3
④
4
参考答案：
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相关题目
【单选题】
临床上适合输部分全血的情况是
①
存在持续活动性出血,估计失血量超过自身血容量的 30%
②
全血细胞减少的慢性贫血患者
③
严重肝肾功能障碍薷要输血的患者
④
地中海贫血的儿童
⑤
再生障碍性贫血患者
【单选题】
关于生物制剂的说法正确的是 （ ）
①
生物制剂可以控制病情进展，甚至能逆转类风湿关节炎的骨破坏
②
生物制剂起效快，但不起控制病情的作用
③
治疗类风湿关节炎不需要与慢作用抗风湿药合用
④
生物制剂副作用较小，适合于老年人应用
⑤
生物制剂增强患者的免疫力，可以用于感染患者
【单选题】
给予AIHA患儿输注红细胞时，宜选用较小剂量（），缓慢输注。
①
2-5mL/kg
②
3-6mL/kg
③
4-7mL/kg
④
5-8mL/kg
⑤
3-5mL/kg
随机题目
【简答题】
如何培养学前儿童记忆的持久性？
【简答题】
简述幼儿记忆发展的特点
【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
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②
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③
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④
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【填空题】
最重要并常用的形态指标是（ ）和（ ）。<img class="questionIndex" data-index="1" src="/common/images/question_button/BlankSpace1.gif"/><img class="questionIndex" data-index="2" src="/common/images/question_button/BlankSpace2.gif"/>
【填空题】
（ ）规律：上肢最初只有无意识活动，然后学会大把抓，最后才学会用拇指和指拿细小的物体。<img class="questionIndex" data-index="1" src="/common/images/question_button/BlankSpace1.gif"/>
【填空题】
（ ）规律：先学会抬头、转头,然后能翻身、学会坐、站立，最后才会走、跑、跳等复杂动作。<img class="questionIndex" data-index="1" src="/common/images/question_button/BlankSpace1.gif"/>