[{"data":1,"prerenderedAt":66},["ShallowReactive",2],{"q-nurse-112-3-basic-medicine-016":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":35,"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-112-3-基礎醫學-016","nurse-112-3-basic-medicine-016",112,3,16,"下列何種變化最有利於增加骨質密度？",{"A":15,"B":16,"C":17,"D":18},"皮質醇（cortisol）濃度上升","雌激素（estrogen）濃度下降","降鈣素（calcitonin）濃度下降","雙羥維生素 D〔1,25-(OH) 2 D〕濃度上升","D",null,[],"本題考點在於促進骨質密度增加的因素。依骨代謝生理，1,25-雙羥維生素 D 是維生素 D 的活化型，能促進腸道鈣、磷吸收並維持血鈣，有利骨質礦化與骨密度增加，故其濃度上升最有利，選 D。A 皮質醇上升會抑制成骨細胞、促進骨吸收，長期造成骨質疏鬆。B 雌激素下降會使破骨細胞活性增加（如停經後骨質流失），降低骨密度。C 降鈣素下降則減少對破骨細胞的抑制，反而不利於骨質保留。三者都會使骨密度下降，唯活化型維生素 D 上升有助增骨。","骨密度是成骨與破骨的平衡。促骨因子：活化型維生素 D（增鈣吸收）、雌激素（抑制破骨細胞）、降鈣素（直接抑制破骨細胞）、負重運動。減骨因子：皮質醇過高（庫欣氏症、長期類固醇）、副甲狀腺素持續過高、雌激素缺乏。記法：想增骨就要「多鈣進來、少骨流失」，活化維生素 D 正是把鈣拉進體內的關鍵開關。",[25,28,31,33],{"term":26,"count":27},"骨質密度",2,{"term":29,"count":30},"活化型維生素D",1,{"term":32,"count":30},"鈣吸收",{"term":34,"count":30},"骨代謝調節",[36,40,45,50,55,60],{"webId":37,"stem":38,"number":39,"year":10,"session":11},"nurse-112-3-basic-medicine-017","人類胚胎時期性激素（sex hormone）的分泌量與青春期前（prepuberty）相比，下列敘述何者正確？",17,{"webId":41,"stem":42,"number":43,"year":44,"session":27},"nurse-113-2-basic-medicine-013","耳石復位術（epley maneuver）經由改變頭部動作的方向，可以緩解良性陣發性姿勢暈眩（benign paroxysmal positional vertigo），此動作主要是恢復下列何者功能？",13,113,{"webId":46,"stem":47,"number":48,"year":49,"session":30},"nurse-114-1-basic-medicine-007","在胎兒時期，下列那個構造可與右心房直接相通？",7,114,{"webId":51,"stem":52,"number":53,"year":54,"session":27},"nurse-115-2-basic-medicine-005","胸骨左側第 2 肋間最靠近下列心臟的那個瓣膜？",5,115,{"webId":56,"stem":57,"number":58,"year":59,"session":27},"nurse-106-2-basic-medicine-079","有關抗病毒藥物的敘述，何者正確？",79,106,{"webId":61,"stem":62,"number":63,"year":64,"session":30},"nurse-108-1-basic-medicine-033","鏈球菌感染後腎小球腎炎（post-streptoccocal glomerulonephritis）是屬於那一型過敏反應（hypersensitivity reaction）？",33,108,"2026-09-04",1788510744012]