单选题:通气/血流比值是指

题目内容:
通气/血流比值是指 A.每分钟肺泡通气量和每分钟肺血流量比值
B.肺通气量和肺血流量比值
C.最大通气量和肺循环血流量比值
D.潮气量和肺循环血流量比值
E.用力呼气量和每分钟肺血流量比值

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答案解析:

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