[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-nurse-113-3-basic-medicine-013":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":24},"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,"freq":23},"nurse-113-3-基礎醫學-013","nurse-113-3-basic-medicine-013",113,3,13,"食用含有河豚毒素（tetrodotoxin）的生魚片之後出現肌肉麻痺的現象，此現象為何種通道被阻斷所致？",{"A":15,"B":16,"C":17,"D":18},"鉀通道","鈣通道","鈉通道","氯通道","C",null,[],"本題考點在於河豚毒素(tetrodotoxin, TTX)的作用機轉。河豚毒素是專一性的電壓依賴性鈉通道阻斷劑,結合於鈉通道細胞外側孔口而阻止鈉離子內流,使神經與肌肉細胞無法產生動作電位,導致訊號傳導中斷、肌肉麻痺與呼吸衰竭,故選 C 鈉通道。A 鉀通道主要負責動作電位的再極化,若被阻斷會延長動作電位,並非 TTX 標的。B 鈣通道阻斷影響的是神經末梢神經傳遞物釋放與心肌收縮,非河豚毒素的主要作用。D 氯通道與抑制性突觸及靜止膜穩定有關,亦非 TTX 標的。掌握「河豚毒素＝鈉通道阻斷、動作電位起始被切斷」的核心即可鎖定答案。",1,[25,29,33,36,40,44],{"webId":26,"stem":27,"number":23,"year":28,"session":23},"nurse-106-1-basic-medicine-001","下列有關表皮的敘述，何者正確？",106,{"webId":30,"stem":31,"number":32,"year":28,"session":23},"nurse-106-1-basic-medicine-002","下列何者在組織學特徵上可區分為絲球帶（zona glomerulosa）、束狀帶（zona fasciculata）、網狀帶（zona reticularis）？",2,{"webId":34,"stem":35,"number":11,"year":28,"session":23},"nurse-106-1-basic-medicine-003","顴弓（zygomatic arch）是由顴骨與下列何者共同組成？",{"webId":37,"stem":38,"number":39,"year":28,"session":23},"nurse-106-1-basic-medicine-004","下列何者參與形成踝關節？",4,{"webId":41,"stem":42,"number":43,"year":28,"session":23},"nurse-106-1-basic-medicine-005","下列何者是維持背部直立最重要的肌肉？",5,{"webId":45,"stem":46,"number":47,"year":28,"session":23},"nurse-106-1-basic-medicine-006","行走於前臂的內側，並與上臂深層的靜脈會合成腋靜脈的是那一條血管？",6,1783840771464]