题目内容：
收缩压的高低主要反映______的多少
110．舒张压的高低主要反映______的大小
A．每搏输出量
B．心率
C．外周阻力
D．主动脉和大动脉弹性
E．循环血量
参考答案：
选择题：收缩压的高低主要反映______的多少 110.舒张压的高低主要反映______的大小
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