[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-107-1-basic-medicine-067":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":33,"lastmod":63},"基礎醫學","basic-medicine","基礎醫學(包括解剖學、生理學、病理學、藥理學、微生物學與免疫學)",{"id":8,"webId":9,"year":10,"session":11,"subject":4,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"explanation":22,"explanationDeep":23,"topics":24,"freq":11},"nurse-107-1-基礎醫學-067","nurse-107-1-basic-medicine-067",107,1,67,"抗體辨識抗原的專一性由何者決定？",{"A":15,"B":16,"C":17,"D":18},"只由抗體重鏈的蛋白序列所形成的三度空間決定","只由抗體輕鏈的蛋白序列所形成的三度空間決定","由抗體重鏈與輕鏈的蛋白序列共同形成的三度空間所決定","由抗體蛋白本身結構的彎曲彈性而決定","C",null,[],"本題考點是抗體辨識抗原專一性的結構基礎。抗體的抗原結合部位(paratope)由重鏈與輕鏈可變區(VH、VL)的互補決定區共同摺疊形成三度空間結構,以此決定對抗原的專一性,故選 C。A 只由重鏈、B 只由輕鏈皆不完整,單一鏈無法構成完整結合位;D 稱由抗體整體的彎曲彈性決定亦錯誤,專一性來自可變區胺基酸序列所形成的立體構型,而非分子的柔軟度。","抗體 Y 型分子,每條重鏈與輕鏈各有可變區(V)與恆定區(C);抗原結合位由 VH+VL 的三個互補決定區(CDR)組成,CDR3 變異最大、貢獻專一性最多。多樣性來自 V(D)J 基因重組、連接多樣性與體細胞高頻突變。恆定區(Fc)則決定同型(IgG\u002FIgM\u002FIgA…)與效應功能(補體、Fc 受體)。記憶:『可變區決定認誰(抗原),恆定區決定怎麼做(效應)』。",[25,27,29,31],{"term":26,"count":11},"抗體專一性",{"term":28,"count":11},"重鏈與輕鏈可變區(VH\u002FVL)",{"term":30,"count":11},"互補決定區(CDR)",{"term":32,"count":11},"抗原結合位",[34,38,43,48,53,58],{"webId":35,"stem":36,"number":37,"year":10,"session":11},"nurse-107-1-basic-medicine-068","有關抗體的敘述，下列何者錯誤？",68,{"webId":39,"stem":40,"number":41,"year":42,"session":11},"nurse-108-1-basic-medicine-004","上臂觸摸肱動脈脈搏的位置為下列何處？",4,108,{"webId":44,"stem":45,"number":46,"year":42,"session":47},"nurse-108-2-basic-medicine-018","腦脊髓液是由何處產生？",18,2,{"webId":49,"stem":50,"number":51,"year":52,"session":47},"nurse-109-2-basic-medicine-056","下列何種藥物不用於治療帕金森氏症？",56,109,{"webId":54,"stem":55,"number":56,"year":57,"session":11},"nurse-111-1-basic-medicine-020","下列關於摸到滾燙的熱水，手臂會迅速的收回的敘述，何者錯誤？",20,111,{"webId":59,"stem":60,"number":61,"year":62,"session":47},"nurse-112-2-basic-medicine-034","Bupropion 除可當抗憂鬱藥物外，尚具有何項藥理功能？",34,112,"2026-09-04",1788510701534]