[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-114-3-basic-medicine-015":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"lastmod":64},"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-114-3-基礎醫學-015","nurse-114-3-basic-medicine-015",114,3,15,"有關甲狀腺素（thyroxine, T4）和三碘甲狀腺素（T3）的比較，下列何者正確？",{"A":15,"B":16,"C":17,"D":18},"甲狀腺主要分泌的激素以 T4 為主","血液中運輸的甲狀腺激素以 T3 為主","T4 的半衰期較 T3 短","T4 的生物活性較 T3 高","A",null,[],"本題考點在於甲狀腺素T4與T3在分泌、運輸、活性與半衰期上的比較。甲狀腺濾泡細胞分泌的激素以T4為主(約占九成),故A正確。B錯:血中運輸的甲狀腺激素也以T4為主(且絕大多數與甲狀腺結合球蛋白等結合)。C錯:T4半衰期約7天、明顯比T3(約1天)長,而非較短。D錯:T3生物活性約為T4的3至4倍,周邊組織會由去碘酶把T4轉為活性更強的T3,故T4活性較低而非較高。綜合僅A符合,選A。","把T4想成『量多、活性低、半衰期長的儲備型前體』,T3是『量少、活性強、作用快的工作型』。周邊第一型\u002F第二型去碘酶把T4轉成T3;若轉成反T3(rT3)則為無活性,常見於重病或飢餓(低T3症候群)。臨床評估甲狀腺功能以TSH最敏感,可一併複習負回饋軸。",[25,28,30,32],{"term":26,"count":27},"甲狀腺素T4",1,{"term":29,"count":27},"三碘甲狀腺素T3",{"term":31,"count":27},"去碘酶",{"term":33,"count":27},"半衰期與生物活性",[35,39,45,50,55,60],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-114-3-basic-medicine-016","下列何種蛋白是睪丸內與睪固酮結合的蛋白質？",16,{"webId":40,"stem":41,"number":42,"year":43,"session":44},"nurse-115-2-basic-medicine-012","肌肉收縮的滑動絲（sliding filament）模型描述的是那兩種蛋白間的交互作用？",12,115,2,{"webId":46,"stem":47,"number":48,"year":49,"session":27},"nurse-106-1-basic-medicine-056","下列何種利尿劑可減少尿路結石及骨質疏鬆的發生率？",56,106,{"webId":51,"stem":52,"number":53,"year":54,"session":44},"nurse-107-2-basic-medicine-014","有關牙齒之敘述，下列何者錯誤？",14,107,{"webId":56,"stem":57,"number":58,"year":59,"session":44},"nurse-108-2-basic-medicine-058","下列何種藥物屬於腸刺激或腸興奮劑，可作為瀉劑？",58,108,{"webId":61,"stem":62,"number":42,"year":63,"session":27},"nurse-110-1-basic-medicine-012","肺臟內的那一構造，只具有傳送氣體的導管功用，但是不具備氣體交換的功能？",110,"2026-09-04",1788510761052]