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【单选题】
关于输血速度的描述,下列哪个是错误的A.
除儿童外,一般调节在每分钟4-6ml
B.
心脏病人宜每分钟1ml
C.
小儿每分钟约10滴
D.
失血性休克,应快速输人所需血量
E.
血容量正常的贫血,每次输血以200-400ml为宜
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