静时搏出量为60ml,心缩末期容积为80ml,心舒末期容积为140ml其射血分数为()×100%

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静时搏出量为60ml,心缩末期容积为80ml,心舒末期容积为140ml其射血分数为()×100%

A.60/80

B.60/140

C.60/(140-80)

D.60/(140-60)

E.60/(140+80)

参考答案:

答案:B