[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2023-ippan-15":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":21,"tags":30},"2023-ippan-15",2023,1,"一般","ippan",15,"内胚葉由来の臓器はどれか。",[12,15,18,22,25],{"index":6,"body":13,"is_correct":14},"皮膚",false,{"index":16,"body":17,"is_correct":14},2,"心臓",{"index":19,"body":20,"is_correct":21},3,"肝臓",true,{"index":23,"body":24,"is_correct":14},4,"精巣",{"index":26,"body":27,"is_correct":14},5,"乳腺",[19],"正答は3（肝臓）。肝臓は消化管とともに内胚葉から分化する（消化管・肝臓・膵臓・肺などが内胚葉由来）。1皮膚（表皮）は外胚葉、2心臓・4精巣は中胚葉、5乳腺は外胚葉（表皮）由来で、いずれも内胚葉由来ではない。よって肝臓。**覚え方**: 内胚葉＝消化管・肝臓・膵臓・肺（体の内張り）。外胚葉＝皮膚・神経、中胚葉＝筋・骨・心臓。",null]