[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2025-hissu-7":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":27,"tags":30},"2025-hissu-7",2025,3,"必須","hissu",7,"雌犬の交配適期の判定に広く利用されているのはどれか。",[12,16,19,21,24],{"index":13,"body":14,"is_correct":15},1,"触診",false,{"index":17,"body":18,"is_correct":15},2,"体温測定",{"index":6,"body":20,"is_correct":15},"X線検査",{"index":22,"body":23,"is_correct":15},4,"超音波検査",{"index":25,"body":26,"is_correct":27},5,"腟スメア検査",true,[25],"正答は5（腟スメア検査）。雌犬の交配適期の判定に広く使われるのが腟スメア検査で、腟粘膜の細胞を採取・染色して観察する。発情が進むと腟上皮細胞が角化して核の消えた角化上皮細胞が増えるため、その割合の変化から適期を推定できる。1触診・2体温測定・3X線検査・4超音波検査は交配適期の一次的な判定法ではない（より確実にはプロジェステロン（黄体ホルモン）濃度の測定を併用する）。",null]