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【单选题】
男性,32岁,血压130/110mmHg,血钠150mmol/L,血钾2.5mmol/L, 血PH7.45,血醛固酮肾素比值=50,尿钾300mmol/24h,其启动血压升高最可能的原因是A.
醛固酮分泌增多，导致钠水潴留和低钾血症
B.
交感神经活性增加
C.
血管内皮细胞功能障碍，外血管阻力增加
D.
血管平滑肌张力增加，外血管阻力增加
E.
低钾血症降低压力感受器的敏感性
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