[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-112-2-basic-medicine-012":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":36,"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":27},"nurse-112-2-基礎醫學-012","nurse-112-2-basic-medicine-012",112,2,12,"重症肌無力（Myasthenia Gravis）與下列何者之異常最相關？",{"A":15,"B":16,"C":17,"D":18},"serotonin","acetylcholine","histamine","epinephrine","B",null,[],"本題考點在於重症肌無力（Myasthenia Gravis）的病理生理機轉。依自體免疫神經肌肉疾病理論，重症肌無力是體內產生對抗神經肌肉接合處乙醯膽鹼受體（acetylcholine receptor）的自體抗體，使可用受體減少、神經肌肉傳導受阻，導致骨骼肌易疲勞與無力，故與acetylcholine異常最相關，選B。A serotonin主要涉及情緒與腸道;C histamine涉及過敏與發炎；D epinephrine為腎上腺素、屬交感反應，三者與神經肌肉接合處傳導障礙無直接關聯，故排除。","重症肌無力屬第II型（抗體媒介）自體免疫，抗AChR抗體阻斷並加速受體降解，故症狀「活動後加重、休息後改善」，典型見眼瞼下垂與複視。治療用膽鹼酯酶抑制劑（如pyridostigmine）延長ACh作用、免疫抑制與胸腺切除。臨床測試以騰喜龍（Tensilon\u002Fedrophonium）短暫改善為佐證。記憶對比：肌無力＝ACh「受體」不足（傳導減弱）；相對地肌無力症候群（Lambert-Eaton）是突觸前鈣通道抗體致ACh釋放減少。可連結神經肌肉接合處生理與膽鹼危象一併複習。",[25,28,30,33],{"term":26,"count":27},"重症肌無力",5,{"term":29,"count":27},"神經肌肉接合處",{"term":31,"count":32},"乙醯膽鹼受體抗體",3,{"term":34,"count":35},"自體免疫機轉",1,[37,41,46,49,53,58],{"webId":38,"stem":39,"number":40,"year":10,"session":11},"nurse-112-2-basic-medicine-013","下列何者腦區受損與順向失憶症（Anterograde Amnesia）最為相關？",13,{"webId":42,"stem":43,"number":44,"year":45,"session":35},"nurse-113-1-basic-medicine-009","正常吸氣的過程中，不會出現下列何種情況？",9,113,{"webId":47,"stem":48,"number":32,"year":45,"session":32},"nurse-113-3-basic-medicine-003","支配聲帶肌群的神經是：",{"webId":50,"stem":51,"number":35,"year":52,"session":35},"nurse-115-1-basic-medicine-001","下列何種蛋白質屬於初級主動運輸子（active transporter）？",115,{"webId":54,"stem":55,"number":56,"year":57,"session":11},"nurse-106-2-basic-medicine-025","於雌性生殖細胞中，何者具單套 23 條成對之染色體？",25,106,{"webId":59,"stem":60,"number":61,"year":62,"session":11},"nurse-107-2-basic-medicine-059","下列何種藥物可作為制酸劑（antacids），但容易造成腹瀉的副作用？",59,107,"2026-09-04",1788510746238]