[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-109-1-basic-medicine-022":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-109-1-基礎醫學-022","nurse-109-1-basic-medicine-022",109,1,22,"下列關於牽張反射（stretch reflex）之敘述，何者正確？",{"A":15,"B":16,"C":17,"D":18},"負責調節此反射的中間神經元位於腦幹","肌梭至脊髓之傳入神經為 Ib 纖維","此反射由中樞傳至肌肉的神經為 α 運動神經元","此反射之動器（effector）位於肌肉中的肌梭（muscle spindle）","C",null,[],"本題考點是牽張反射的神經路徑組成,要挑出正確者。依神經生理學,牽張反射由脊髓傳出至肌肉的運動指令,是經『α 運動神經元』支配骨骼肌梭外肌纖維而收縮,故 C 正確。A 錯在牽張反射是『單突觸反射』,感覺神經元直接與脊髓前角 α 運動神經元突觸,無中間神經元、也不在腦幹。B 錯在肌梭傳入脊髓的是『Ia 纖維』,Ib 纖維來自高爾基腱器官,兩者不同。D 錯在此反射的動器是收縮的『梭外肌纖維』,肌梭本身是感受器而非動器。考點在於掌握感受器(肌梭 Ia)、中樞(脊髓)、動器(梭外肌經 α 運動神經元)。","牽張反射弧串記:肌肉被牽拉→肌梭(muscle spindle,感受器)興奮→Ia 傳入纖維→脊髓前角『直接』突觸(單突觸,最快)→α 運動神經元→梭外肌纖維收縮抵抗牽拉。臨床即『膝反射\u002F深部肌腱反射』原理,評估反射弧與上運動神經元完整性。易混三對:①Ia(肌梭) vs Ib(高爾基腱器官,司張力、引發反牽張抑制);②α 運動神經元(梭外肌,主收縮) vs γ 運動神經元(梭內肌,維持肌梭敏感度);③感受器(肌梭) vs 動器(梭外肌)。",[25,27,29,31],{"term":26,"count":11},"牽張反射單突觸弧",{"term":28,"count":11},"α運動神經元",{"term":30,"count":11},"肌梭Ia傳入纖維",{"term":32,"count":11},"梭外肌動器",[34,38,43,48,53,58],{"webId":35,"stem":36,"number":37,"year":10,"session":11},"nurse-109-1-basic-medicine-023","人體甲狀腺激素（thyroid hormone）分泌不足時，最可能出現下列何種症狀？",23,{"webId":39,"stem":40,"number":41,"year":10,"session":42},"nurse-109-2-basic-medicine-039","有關杭汀頓氏病（Huntington disease）的敘述，下列何者錯誤？",39,2,{"webId":44,"stem":45,"number":46,"year":47,"session":11},"nurse-110-1-basic-medicine-053","有關可待因（codeine）的敘述，下列何者錯誤？",53,110,{"webId":49,"stem":50,"number":51,"year":52,"session":42},"nurse-111-2-basic-medicine-011","有關無氧快肌與有氧慢肌的比較，下列何者正確？",11,111,{"webId":54,"stem":55,"number":56,"year":57,"session":11},"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,{"webId":59,"stem":60,"number":61,"year":62,"session":42},"nurse-114-2-basic-medicine-009","下列何者內含退化的臍靜脈？",9,114,"2026-09-04",1788510711104]