[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2024-ippan-41":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":15,"tags":30},"2024-ippan-41",2024,2,"一般","ippan",41,"血液凝固に必要なのはどれか。",[12,16,19,22,25],{"index":13,"body":14,"is_correct":15},1,"カルシウム",true,{"index":6,"body":17,"is_correct":18},"ナトリウム",false,{"index":20,"body":21,"is_correct":18},3,"カリウム",{"index":23,"body":24,"is_correct":18},4,"マグネシウム",{"index":26,"body":27,"is_correct":18},5,"マンガン",[13],"正答は1（カルシウム）。カルシウムイオン（Ca²⁺）は血液凝固第Ⅳ因子として、凝固反応の各段階に必須。2ナトリウム・3カリウム・4マグネシウム・5マンガンは、血液凝固に直接必要な因子ではない。よってカルシウム。**覚え方**: 凝固に必要なミネラルはカルシウム（第Ⅳ因子）。だから凝固検査ではクエン酸でCaを抑えて凝固を止める。",null]