[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2025-jitchi-4":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":9,"body":10,"choices":11,"correct_indices":27,"explanation":28,"has_explanation":21,"tags":29},"2025-jitchi-4",2025,3,"実地","jitchi",4,"図はシナプス伝達の模式図である。（ア）が表すのはどれか。",[12,16,19,22,24],{"index":13,"body":14,"is_correct":15},1,"活動電位の軸索終末への到達",false,{"index":17,"body":18,"is_correct":15},2,"神経伝達物質を含む小胞の膜との融合",{"index":6,"body":20,"is_correct":21},"神経伝達物質のシナプス後膜受容体への結合",true,{"index":9,"body":23,"is_correct":15},"シナプス後膜側ニューロンの興奮",{"index":25,"body":26,"is_correct":15},5,"神経伝達物質の分解",[6],"正答は3（神経伝達物質のシナプス後膜受容体への結合）。シナプス伝達は、活動電位が軸索終末に到達→小胞が膜と融合し神経伝達物質を放出→伝達物質がシナプス後膜の受容体に結合→後膜が興奮、の順で進む。（ア）はこのうち受容体への結合の段階。1到達・2小胞の融合・4後膜の興奮・5分解は、（ア）以外の段階。よって受容体への結合。**覚え方**: シナプス伝達は『到達→放出→受容体に結合→後膜が興奮』。伝達物質は受容体に結合して働く。",null]