[{"data":1,"prerenderedAt":66},["ShallowReactive",2],{"q-nurse-109-1-basic-medicine-032":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":36,"lastmod":65},"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-109-1-基礎醫學-032","nurse-109-1-basic-medicine-032",109,1,32,"葛瑞夫氏症（Graves’ disease）的患者，血漿中何種物質濃度會下降？",{"A":15,"B":16,"C":17,"D":18},"甲狀腺素（T 4 ）","甲狀腺刺激素（TSH）","雙碘酪胺酸（DIT）","三碘甲狀腺素（T 3 ）","B",null,[],"本題考點是葛瑞夫氏症的負回饋機轉。葛瑞夫氏症是自體抗體（TSI）刺激 TSH 受體，使甲狀腺自主大量分泌 T3、T4，升高的甲狀腺激素透過負回饋抑制腦下腺，使 TSH 濃度下降，故血漿中會下降者為 TSH，選 B。(A) T4、(D) T3 皆因腺體過度活化而上升，非下降。(C) 雙碘酪胺酸（DIT）是甲狀腺激素合成的中間產物，腺體活性亢進時合成增加，不會下降。故唯一因負回饋而降低者為 TSH，答案為 B。","下視丘—腦下腺—甲狀腺軸（HPT axis）：TRH→TSH→T3\u002FT4，末端激素對上游負回饋。葛瑞夫氏症的 TSI（thyroid-stimulating immunoglobulin）為 IgG，模擬 TSH 持續活化 TSH 受體，故 T3\u002FT4 高、TSH 因負回饋被壓到極低（診斷上「TSH↓＋free T4↑」是原發性甲亢指標）。鑑別：若 TSH 與 T4 同時高，要想腦下腺 TSH 瘤（次發性）。臨床特徵：突眼、瀰漫性甲狀腺腫、脛前黏液水腫。記憶：原發甲亢＝激素高、TSH 低；DIT\u002FMIT 是碘化酪胺酸中間物，合成增加。",[25,28,30,32,34],{"term":26,"count":27},"負回饋",2,{"term":29,"count":11},"葛瑞夫氏症",{"term":31,"count":11},"TSH受體抗體TSI",{"term":33,"count":11},"下視丘腦下腺甲狀腺軸",{"term":35,"count":11},"甲狀腺刺激素TSH",[37,41,45,50,55,60],{"webId":38,"stem":39,"number":40,"year":10,"session":11},"nurse-109-1-basic-medicine-033","肺動脈栓塞導致死亡，是屬於那類的休克？",33,{"webId":42,"stem":43,"number":44,"year":10,"session":27},"nurse-109-2-basic-medicine-049","下列何者為大麻之主要成分THC在腦部主要的結合受體？",49,{"webId":46,"stem":47,"number":48,"year":49,"session":11},"nurse-110-1-basic-medicine-063","下列何者的藥理作用機轉是抑制細胞內微小管（microtubule）的聚合，並具有較低的骨髓抑制作用？",63,110,{"webId":51,"stem":52,"number":53,"year":54,"session":27},"nurse-111-2-basic-medicine-021","下列何者不屬於急性風濕熱瓊斯氏標準（Jones criteria）的主要標準（major criteria）？",21,111,{"webId":56,"stem":57,"number":58,"year":59,"session":11},"nurse-113-1-basic-medicine-025","社區性肺炎（community-acquired pneumonia）指的是患者在日常生活環境中所得到的感染，而非在醫院中的感染。引起典型社區性肺炎最常見的致病菌為何？",25,113,{"webId":61,"stem":62,"number":63,"year":64,"session":27},"nurse-114-2-basic-medicine-019","失語症（aphasia）與下列那個腦區受損最為相關？",19,114,"2026-09-04",1788510711184]