[{"data":1,"prerenderedAt":47},["ShallowReactive",2],{"q-nurse-106-2-basic-medicine-026":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-106-2-基礎醫學-026","nurse-106-2-basic-medicine-026",106,2,26,"迷走神經末梢分泌之乙醯膽鹼（acetylcholine）可以使心跳速率減慢，其原因為促使心臟節律性細胞（pacemaker cell）：",{"A":15,"B":16,"C":17,"D":18},"增加對鈉離子的通透性","增加對鉀離子的通透性","減少對鉀離子的通透性","減少對鈉離子的通透性","B",null,[],"本題考點是迷走神經對心臟節律細胞的電生理作用。依乙醯膽鹼(acetylcholine)與 M2 蕈毒鹼受體結合的機轉,會經 G 蛋白開啟鉀離子通道、增加鉀離子外流,使節律細胞膜過極化並減緩自發去極化速率,故心跳變慢,選 B。C 減少鉀通透性反使細胞去極化、心跳加快,方向相反;A、D 涉及鈉離子通透性增減,雖影響去極化,但 ACh 減慢心率的主要機轉為增加鉀外流,而非改變鈉通透,故非最佳答案。",1,[25,28,31,35,39,43],{"webId":26,"stem":27,"number":23,"year":10,"session":23},"nurse-106-1-basic-medicine-001","下列有關表皮的敘述，何者正確？",{"webId":29,"stem":30,"number":11,"year":10,"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）？",{"webId":32,"stem":33,"number":34,"year":10,"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？",3,{"webId":36,"stem":37,"number":38,"year":10,"session":23},"nurse-106-1-basic-medicine-004","下列何者參與形成踝關節？",4,{"webId":40,"stem":41,"number":42,"year":10,"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":44,"stem":45,"number":46,"year":10,"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？",6,1783840735622]