脑复苏时,为防止脑组织发生不可逆损伤,脑循环血量最低应保持在A.25%B.20%C.15%D.10%E.5%

作者: rantiku 人气: - 评论: 0
问题 脑复苏时,为防止脑组织发生不可逆损伤,脑循环血量最低应保持在
选项 A.25% B.20% C.15% D.10% E.5%
答案 C
解析 :脑的重量只占人体重量的5%,耗氧量却占人体总耗氧量的20%。在复苏过程中,如果脑的循环量能保持在正常的15%以上时,脑的不可逆损伤发生可能性明显减少。

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