[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2026-ippan-4":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":6,"body":9,"choices":10,"correct_indices":27,"explanation":28,"has_explanation":14,"tags":29},"2026-ippan-4",2026,4,"一般","ippan","血圧低下の要因はどれか。",[11,15,19,22,24],{"index":12,"body":13,"is_correct":14},1,"末梢血管の拡張",true,{"index":16,"body":17,"is_correct":18},2,"レニンの分泌",false,{"index":20,"body":21,"is_correct":18},3,"バソプレシンの分泌",{"index":6,"body":23,"is_correct":18},"交感神経の活性化",{"index":25,"body":26,"is_correct":18},5,"腎臓での水の再吸収亢進",[12],"正答は1（末梢血管の拡張）。末梢血管が拡張すると血管抵抗が下がり血圧が低下する。2レニンの分泌・3バソプレシンの分泌・4交感神経の活性化・5腎臓での水の再吸収亢進は、いずれも血圧を上げる方向に働く。よって血圧低下の要因は末梢血管の拡張。**覚え方**: 血管が広がる＝血圧下がる。レニン・バソプレシン・交感神経は血圧を上げる。",null]