[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-111-2-basic-medicine-044":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"lastmod":64},"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-111-2-基礎醫學-044","nurse-111-2-basic-medicine-044",111,2,44,"補體活化啟動一系列的蛋白質水解產生次單位「a」、「b」與其他次單位，具備不同的生物活性。下列何者是補體 C3b 主要的功能？",{"A":15,"B":16,"C":17,"D":18},"增加血管通透性","吸引吞噬細胞到感染部位","促進發炎反應","促進病原體被吞噬細胞辨識","D",null,[],"本題考點為補體 C3b 的主要功能。C3 裂解為 C3a 與 C3b；C3b 會沉積於病原體表面作為調理素（opsonin），供吞噬細胞上的補體受體辨識結合，促進吞噬作用，故選 D。(A)增加血管通透性與(C)促進發炎反應主要為 C3a、C5a（過敏毒素）的功能。(B)吸引吞噬細胞（趨化）為 C5a 的主要作用，故其餘皆非 C3b 的主功能。","補體效應分工記憶：C3b＝調理（opsonization）、C3a／C5a＝過敏毒素（發炎、血管通透）、C5a＝趨化、C5b-9＝膜攻擊複合體造成溶解。C3b 同時也是活化放大迴路與 C5 轉化酶的關鍵成分，位居補體活化的樞紐位置，是理解補體功能的核心分子。",[25,27,30,32],{"term":26,"count":11},"過敏毒素 C3a\u002FC5a",{"term":28,"count":29},"補體 C3b",1,{"term":31,"count":29},"調理作用 opsonization",{"term":33,"count":29},"吞噬細胞辨識",[35,39,44,49,54,59],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-111-2-basic-medicine-045","因為 IgG 和可溶性抗原形成免疫複合物（immune complex）造成的過敏反應，屬於那一型過敏反應？",45,{"webId":40,"stem":41,"number":42,"year":43,"session":11},"nurse-112-2-basic-medicine-041","下列敘述何者錯誤？",41,112,{"webId":45,"stem":46,"number":47,"year":48,"session":29},"nurse-113-1-basic-medicine-035","Fexofenadine較不具鎮靜安眠作用，原因為何？",35,113,{"webId":50,"stem":51,"number":52,"year":53,"session":11},"nurse-114-2-basic-medicine-033","下列降血壓藥物中，何者為腎素抑制劑（renin inhibitor）？",33,114,{"webId":55,"stem":56,"number":57,"year":58,"session":29},"nurse-106-1-basic-medicine-037","下列何者最可能導致脂肪肝？",37,106,{"webId":60,"stem":61,"number":62,"year":63,"session":29},"nurse-107-1-basic-medicine-071","抗 methicillin 金黃色葡萄球菌（MRSA）之抗藥性機制為何？",71,107,"2026-09-04",1788510737389]