[{"data":1,"prerenderedAt":66},["ShallowReactive",2],{"q-nurse-112-3-basic-medicine-042":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"lastmod":65},"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-112-3-基礎醫學-042","nurse-112-3-basic-medicine-042",112,3,42,"從胸腺發育而來，未曾受抗原刺激的 T 細胞，主要由下列何種細胞啟動第一步的活化？",{"A":15,"B":16,"C":17,"D":18},"B 細胞","巨噬細胞","嗜中性白血球細胞","樹突細胞","D",null,[],"本題考點在於初始 T 細胞（naïve T cell）活化所需的抗原呈現細胞。未曾接觸抗原的初始 T 細胞，需要最強效的專業抗原呈現細胞才能啟動第一次活化，樹突細胞（dendritic cell）是唯一能有效活化 naïve T 細胞的抗原呈現細胞，故選 D。A 的 B 細胞雖能呈現抗原，但主要活化已致敏的 T 細胞。B 的巨噬細胞為抗原呈現細胞之一，但活化 naïve T 細胞效率不及樹突細胞。C 的嗜中性白血球屬吞噬性先天免疫細胞，不具啟動 naïve T 細胞的功能。故選 D。","樹突細胞被稱為「最專業的抗原呈現細胞」，因其表現高量 MHC II 與共刺激分子（B7\u002FCD28），能提供 naïve T 細胞活化所需的第一與第二訊號，是連結先天與後天免疫的橋樑。三大專業抗原呈現細胞為樹突細胞、巨噬細胞、B 細胞，但唯有樹突細胞能啟動「初次」免疫反應。",[25,28,29,32],{"term":26,"count":27},"抗原呈現細胞",5,{"term":18,"count":11},{"term":30,"count":31},"初始T細胞活化",1,{"term":33,"count":31},"共刺激訊號",[35,39,45,50,55,60],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-112-3-basic-medicine-043","下列何種過敏反應主要是由 IgE 抗體所引起？",43,{"webId":40,"stem":41,"number":42,"year":43,"session":44},"nurse-113-2-basic-medicine-039","下列抗癌藥物中，何者最易產生腎毒性？",39,113,2,{"webId":46,"stem":47,"number":48,"year":49,"session":31},"nurse-114-1-basic-medicine-033","使用局部麻醉劑時常與腎上腺素合用，其目的為何？",33,114,{"webId":51,"stem":52,"number":53,"year":54,"session":44},"nurse-115-2-basic-medicine-031","藥物代謝過程中，經由加入葡萄糖醛酸（glucuronide）、硫酸、醋酸或胺基酸等之接合反應（conjugation reaction），其主要目的為何？",31,115,{"webId":56,"stem":57,"number":58,"year":59,"session":31},"nurse-107-1-basic-medicine-025","下列何者含有血睪丸障壁（blood-testis barrier）？",25,107,{"webId":61,"stem":62,"number":63,"year":64,"session":31},"nurse-108-1-basic-medicine-059","下列 NSAIDs 藥物中，何者產生出血的機會最低？",59,108,"2026-09-04",1788510744240]