单选题:下列关于心输出量的叙述,错误的是(  )

题目内容:
下列关于心输出量的叙述,错误的是(  ) A.心输出量是指每分钟由左、右心室射出血量之和
B.健康成年男性静息状态下为4~6I/min
C.左、右心室的心输出量基本相等
D.由平卧转为站立位时减少
E.心率超过180次/分时减少
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