[{"data":1,"prerenderedAt":63},["ShallowReactive",2],{"q-nurse-107-1-basic-medicine-024":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":33,"lastmod":62},"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":11},"nurse-107-1-基礎醫學-024","nurse-107-1-basic-medicine-024",107,1,24,"偵測人類絨毛膜性腺激素是確定懷孕之重要指標。請問人類絨毛膜性腺激素何時開始分泌？",{"A":15,"B":16,"C":17,"D":18},"受精卵完成第一次有絲分裂","囊胚發育後進入子宮腔之時","胚胎滋養層細胞著床於子宮時","胚胎侵入子宮內膜胎盤形成之時","C",null,[],"本題考點是人類絨毛膜性腺激素（hCG）的分泌時機與來源細胞。依生殖生理，hCG 由胚胎的滋養層（trophoblast，尤其融合滋養層）分泌，而滋養層須待受精卵發育為囊胚並著床於子宮內膜時方能大量分泌，故選 C。A 第一次有絲分裂僅為受精卵初步分裂，尚無滋養層分泌；B 囊胚進入子宮腔尚未著床；D 胎盤形成已在著床之後，時間偏晚。判斷關鍵在於將 hCG 起始時點對準「滋養層著床」這一刻。","hCG 由著床後的融合滋養層分泌，功能是維持黃體、持續分泌黃體素以穩定子宮內膜、避免月經來潮，是早孕維持的關鍵訊號，也是驗孕試劑（尿／血 hCG）的偵測標的。著床約在受精後第 6–7 天，故最早可在受精後約 10 天於血中測得。記法：「著床啟動 hCG，hCG 撐住黃體」。可連結子癲前症、絨毛膜癌等 hCG 異常升高的臨床情境。",[25,27,29,31],{"term":26,"count":11},"人類絨毛膜性腺激素(hCG)",{"term":28,"count":11},"滋養層細胞",{"term":30,"count":11},"著床",{"term":32,"count":11},"黃體維持",[34,38,43,48,53,58],{"webId":35,"stem":36,"number":37,"year":10,"session":11},"nurse-107-1-basic-medicine-025","下列何者含有血睪丸障壁（blood-testis barrier）？",25,{"webId":39,"stem":40,"number":41,"year":10,"session":42},"nurse-107-2-basic-medicine-041","惡性貧血（pernicious anemia）的病因主要是缺乏下列何者：",41,2,{"webId":44,"stem":45,"number":46,"year":47,"session":11},"nurse-108-1-basic-medicine-055","生物製劑之蛋白質藥物 Etanercept 可治療風濕性關節炎（Rheumatoid arthritis），此藥物之藥理作用為何？",55,108,{"webId":49,"stem":50,"number":51,"year":52,"session":42},"nurse-109-2-basic-medicine-013","膽汁之製造及注入消化道的位置，下列何者正確？",13,109,{"webId":54,"stem":55,"number":56,"year":57,"session":42},"nurse-110-2-basic-medicine-057","下列何者藥物具有強力止吐作用？",57,110,{"webId":59,"stem":60,"number":41,"year":61,"session":11},"nurse-112-1-basic-medicine-041","有關細菌內毒素（endotoxin）的敘述，下列何者錯誤？",112,"2026-09-04",1788510701053]