[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-nurse-108-1-basic-medicine-060":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":23},"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":11},"nurse-108-1-基礎醫學-060","nurse-108-1-basic-medicine-060",108,1,60,"Beta 腎上腺素受體拮抗劑用於治療心律不整，主要的藥理機轉為何？",{"A":15,"B":16,"C":17,"D":18},"減慢房室傳導速度，抑制心肌細胞之自主興奮性","延長動作電位期間，不影響耗氧","抑制竇房結鈉管道活化，減少放電","活化鉀管道，降低心肌收縮力","A",null,[],"本題考點在乙型（β）腎上腺素受體拮抗劑作為第二類抗心律不整藥的機轉。β 阻斷劑抑制交感對心臟的作用，降低竇房結與房室結因交感興奮而來的自主放電，並減慢房室結傳導，故選 A『減慢房室傳導速度，抑制心肌細胞之自主興奮性』。B 稱『延長動作電位不影響耗氧』屬第三類（如 Amiodarone）鉀通道方向，且 β 阻斷實際降低耗氧，敘述不符。C 稱抑制竇房結『鈉』管道，竇房結去極化主要靠鈣與 If 電流而非鈉，機轉錯置。D 稱『活化鉀管道』並非 β 阻斷劑的作用方式，皆不選。",[24,28,32,36,40,44],{"webId":25,"stem":26,"number":11,"year":27,"session":11},"nurse-106-1-basic-medicine-001","下列有關表皮的敘述，何者正確？",106,{"webId":29,"stem":30,"number":31,"year":27,"session":11},"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":33,"stem":34,"number":35,"year":27,"session":11},"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":37,"stem":38,"number":39,"year":27,"session":11},"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":27,"session":11},"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":27,"session":11},"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？",6,1783840743408]