[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-108-1-basic-medicine-051":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":35,"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-108-1-基礎醫學-051","nurse-108-1-basic-medicine-051",108,1,51,"下列何者為治療毛地黃中毒時，引發心室纖維顫動的首選藥物？",{"A":15,"B":16,"C":17,"D":18},"Phenytoin","Nitroglycerin","Hydralazine","Nifedipine","A",null,[],"本題考點在毛地黃中毒所致心律不整的解毒用藥。毛地黃抑制 Na⁺\u002FK⁺-ATPase 使細胞內鈣過載、增強自主興奮性，易誘發心室性心律不整甚至心室纖維顫動；依此機轉，首選能抑制心室異位放電又不明顯抑制房室傳導的抗心律不整藥，選 A Phenytoin（第 Ib 類，可壓制毛地黃引起的觸發活動並改善房室傳導）。B Nitroglycerin 是硝酸鹽血管擴張劑，用於心絞痛，對心律不整無矯正作用。C Hydralazine 為直接血管擴張的降壓藥，反射性心搏過速。D Nifedipine 是二氫吡啶類鈣離子通道阻斷劑，作用於血管平滑肌降壓，皆非抗心室顫動用藥。","毛地黃中毒可同時出現緩脈型（房室阻斷）與快脈型（心室早期收縮、雙向性室速、心室顫動）心律不整。Phenytoin 與 Lidocaine 為毛地黃毒性室性心律不整的傳統首選；Phenytoin 特別之處在於它能縮短動作電位、抑制延遲後去極化（DAD）造成的觸發活動，且不減慢房室傳導，適合毛地黃已合併房室阻斷者。記憶：毛地黃中毒『鉀要顧、鈣要防、室性亂用 Phenytoin\u002FLidocaine』。低血鉀會加重毛地黃毒性，故臨床評估常先看血鉀。",[25,28,30,31,33],{"term":26,"count":27},"毛地黃中毒",2,{"term":29,"count":11},"Na+\u002FK+-ATPase 抑制",{"term":15,"count":11},{"term":32,"count":11},"延遲後去極化",{"term":34,"count":11},"心室纖維顫動",[36,40,44,48,53,58],{"webId":37,"stem":38,"number":39,"year":10,"session":11},"nurse-108-1-basic-medicine-052","下列刺激胃腸蠕動的藥物中，何者的作用機轉為拮抗多巴胺 D 2 受體？",52,{"webId":41,"stem":42,"number":43,"year":10,"session":27},"nurse-108-2-basic-medicine-068","有關奇異變形桿菌（Proteus mirabilis）之敘述，下列何者錯誤？",68,{"webId":45,"stem":46,"number":27,"year":47,"session":27},"nurse-109-2-basic-medicine-002","下列有關椎骨的敘述，何者錯誤？",109,{"webId":49,"stem":50,"number":51,"year":52,"session":27},"nurse-110-2-basic-medicine-040","梅克爾氏憩室（Meckel diverticulum）最常見的異位組織，下列何者正確？",40,110,{"webId":54,"stem":55,"number":56,"year":57,"session":11},"nurse-112-1-basic-medicine-034","甲、乙、丙三種藥物作用在相同受體，其濃度與藥理作用曲線圖如下，下列敘述何者正確？",34,112,{"webId":59,"stem":60,"number":61,"year":62,"session":27},"nurse-113-2-basic-medicine-028","生骨性（osteoblastic）骨轉移，最常見於下列何種腫瘤？",28,113,"2026-09-04",1788510708535]