【单选题】【消耗次数：1】
下列关于HeRO说法错误的是：
①
通畅性优于CVC
②
介入治疗与AVG相似
③
感染发生率优于CVC
④
感染发生率优于AVF
参考答案：
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相关题目
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肩难产的发生率正确的是
①
巨大儿J肩难产发生率为50%
②
特大儿肩难产发生率为100%
③
正常体重儿不会发生肩难产
④
50%以上肩难产发生在巨大儿
⑤
50%以上肩难产发生在正常体重儿
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预防性应用抗生素有助于降低择期腹部手术后感染的发生率。使用原则
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预防用药应针对可能的污染细菌种类
②
应在切皮前30~60min输注完毕
③
尽量选择单一抗菌药物预防用药
④
如果手术时间>3h或超过所用药物半衰期的2倍以上，或成年患者术中出血量超过1500mL时，可在术中重复使用1次
⑤
以上都是
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