[{"data":1,"prerenderedAt":67},["ShallowReactive",2],{"q-nurse-107-2-basic-medicine-068":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":36,"lastmod":66},"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":27},"nurse-107-2-基礎醫學-068","nurse-107-2-basic-medicine-068",107,2,68,"有關人類主要組織相容性複合體（MHC）分子的敘述，下列何者正確？",{"A":15,"B":16,"C":17,"D":18},"第一型主要組織相容性複合體分子可被 B 淋巴細胞所辨識","每個人的主要組織相容性複合體分子與雙親中的一人完全相同","B 淋巴細胞能與主要組織相容性複合體分子結合，進而產生細胞激素（cytokine）","主要組織相容性複合體分子呈現抗原，與 T 淋巴細胞活化有關","D",null,[],"本題考點在於 MHC 分子的抗原呈現功能。依免疫學，MHC 分子的核心角色是把處理過的抗原胜肽呈現在細胞表面，供 T 淋巴細胞受體辨識而觸發活化，故 D 正確。A 錯，第一型 MHC 由 CD8 細胞毒殺 T 細胞辨識，而非 B 淋巴細胞。B 錯，MHC 基因為共顯性（codominant），子代分別自雙親各遺傳一套單倍型，不會與單一親代「完全相同」。C 錯，該敘述將 B 細胞與 MHC 結合並產生細胞激素的關係描述錯誤，MHC 是呈現平台而非直接誘導 B 細胞分泌 cytokine。","MHC 呈現分工口訣：MHC-I（所有有核細胞）呈現內生性抗原給 CD8＋ T；MHC-II（抗原呈現細胞：樹突細胞、巨噬細胞、B 細胞）呈現外源性抗原給 CD4＋ T。「MHC 限制性」指 T 細胞只認得自身 MHC 呈現的抗原。共顯性表現使個體同時表現父母雙方等位基因，增加可呈現抗原的廣度，也是器官移植配對困難的根源。",[25,28,30,32,34],{"term":26,"count":27},"MHC 抗原呈現",1,{"term":29,"count":27},"T 淋巴細胞活化",{"term":31,"count":27},"MHC 共顯性",{"term":33,"count":27},"MHC-I 與 CD8",{"term":35,"count":27},"MHC 限制性",[37,41,46,51,56,61],{"webId":38,"stem":39,"number":40,"year":10,"session":11},"nurse-107-2-basic-medicine-069","IgE 抗體會與其高親和力受體 FcεRI 相結合來誘發過敏反應，而 FcεRI 受體不表現在下列何種細胞表面？",69,{"webId":42,"stem":43,"number":44,"year":45,"session":11},"nurse-108-2-basic-medicine-005","脾臟的血液主要來自下列何者的分枝？",5,108,{"webId":47,"stem":48,"number":49,"year":50,"session":27},"nurse-109-1-basic-medicine-019","蛋白質醣基化（glycosylation）主要發生在那個步驟？",19,109,{"webId":52,"stem":53,"number":54,"year":55,"session":27},"nurse-110-1-basic-medicine-057","下列何種安眠藥物被濫用的可能性較低，而未被列為管制藥品？",57,110,{"webId":57,"stem":58,"number":59,"year":60,"session":11},"nurse-111-2-basic-medicine-021","下列何者不屬於急性風濕熱瓊斯氏標準（Jones criteria）的主要標準（major criteria）？",21,111,{"webId":62,"stem":63,"number":64,"year":65,"session":27},"nurse-113-1-basic-medicine-015","下列何者是負責供應肝臟充氧血的血管？",15,113,"2026-09-04",1788510723940]