【单选题】【消耗次数：1】
关于低动力型休克的描述错误的是
①
心排血量减少
②
外周阻力增高
③
脉压明显缩小
④
又称低排高阻型休克或称冷休克
⑤
皮肤粉红、四肢湿冷
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①
心输出量↑，外周阻力↓，BP略↓，脉压↑
②
心输出量↓，外周阻力↑，BP↓，脉压↓
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循环血量减少
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指血液有效成分丢失，超过总血容量1/7时可引起休克
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