题目内容

产生肾小球滤过分数升高的机理是

A. 入球小动脉比出球小动脉收缩更明显
B. 出球小动脉比入球小动脉收缩更明显
C. 入球小动脉和出球小动脉收缩同样明显
D. 出球小动脉比入球小动脉舒张更明显
E. 入球小动脉和出球小动脉舒张同样明显

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