[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2026-jitchi-12":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":9,"body":10,"choices":11,"correct_indices":28,"explanation":29,"has_explanation":24,"tags":30},"2026-jitchi-12",2026,4,"実地","jitchi",12,"図は牛の腹部臓器を右側から見たところである。（ア）はどれか。",[12,16,19,22,25],{"index":13,"body":14,"is_correct":15},1,"第一胃",false,{"index":17,"body":18,"is_correct":15},2,"第二胃",{"index":20,"body":21,"is_correct":15},3,"第三胃",{"index":6,"body":23,"is_correct":24},"第四胃",true,{"index":26,"body":27,"is_correct":15},5,"第五胃",[6],"正答は4（第四胃）。牛の胃は第一胃（ルーメン）・第二胃（蜂巣胃）・第三胃（重弁胃）・第四胃（皺胃）の4室からなり、第四胃は消化酵素を分泌する『真の胃』。図の（ア）は第四胃。牛に第五胃はなく（5は誤り）、第一〜第三胃とは位置・役割が異なる。よって第四胃。**覚え方**: 牛の胃は4つ（第一〜第四胃）。第四胃（皺胃）が酵素で消化する真の胃。第五胃はない。",null]