[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2023-ippan-3":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":20,"tags":29},"2023-ippan-3",2023,1,"一般","ippan",3,"実験動物の福祉における「3R の原則」のReduction の説明はどれか。",[12,15,18,21,24],{"index":6,"body":13,"is_correct":14},"適正な飼育管理",false,{"index":16,"body":17,"is_correct":14},2,"コンピュータ・シミュレーションの利用",{"index":9,"body":19,"is_correct":20},"動物使用頭数の削減",true,{"index":22,"body":23,"is_correct":14},4,"培養細胞の使用",{"index":25,"body":26,"is_correct":14},5,"苦痛や恐怖の軽減",[9],"正答は3（動物使用頭数の削減）。3RのReduction（削減）は、実験に使う動物の頭数を必要最小限に減らすこと。2コンピュータ・シミュレーションや4培養細胞の使用はReplacement（置換）、5苦痛や恐怖の軽減はRefinement（改善）、1適正な飼育管理は3Rの各項目そのものではない。よって頭数の削減がReduction。**覚え方**: 3R＝Replacement（置換）・Reduction（削減＝頭数を減らす）・Refinement（苦痛の軽減）。",null]