[{"data":1,"prerenderedAt":66},["ShallowReactive",2],{"q-nurse-110-1-basic-medicine-028":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-110-1-基礎醫學-028","nurse-110-1-basic-medicine-028",110,1,28,"12 歲的王同學因為外傷造成兩側睪丸嚴重受損被迫切除，下列何者為手術後的生理變化？",{"A":15,"B":16,"C":17,"D":18},"聲音變得低沉且毛髮增生","血液中黃體生成素（LH）濃度上升","血液中睪固酮（testosterone）濃度上升","尿液中雄性素（androgen）濃度上升","B",null,[],"本題考點在於睪丸切除後下視丘-腦下垂體-性腺軸的回饋變化。睪固酮對腦下垂體與下視丘具負回饋,切除雙側睪丸後睪固酮驟降,負回饋解除,腦下垂體前葉黃體生成素(LH)與濾泡刺激素分泌因而上升,故選B。A說聲音低沉、毛髮增生屬睪固酮的男性化作用,少了睪固酮不會出現,錯誤。C說睪固酮上升與切除睪丸相反,錯誤。D說尿中雄性素上升,失去主要來源後應下降,亦錯。核心在「來源沒了→睪固酮降→LH因失負回饋而升」。","此為典型負回饋斷路模型,與更年期後卵巢衰竭導致FSH\u002FLH升高同理。青春期前(如本題12歲)切除睪丸,第二性徵無法發育,聲音、體毛、肌肉等睪固酮依賴特徵不會出現。可對比:給予外源睪固酮反而回饋抑制LH,是運動禁藥致睪丸萎縮的機轉。",[25,28,31,33],{"term":26,"count":27},"睪固酮",5,{"term":29,"count":30},"黃體生成素",3,{"term":32,"count":30},"下視丘腦下垂體性腺軸",{"term":34,"count":35},"負回饋",2,[37,41,45,50,55,60],{"webId":38,"stem":39,"number":40,"year":10,"session":11},"nurse-110-1-basic-medicine-029","有關淋巴循環的生理功能敘述，下列何者錯誤？",29,{"webId":42,"stem":43,"number":44,"year":10,"session":35},"nurse-110-2-basic-medicine-045","顯微鏡下，肺腫瘤細胞的細胞質少且呈圓形或橢圓形，具有神經內分泌的特性，是下列那一種肺腫瘤？",45,{"webId":46,"stem":47,"number":48,"year":49,"session":11},"nurse-111-1-basic-medicine-059","下列抗高血壓治療藥物，何者不會產生心搏過速之副作用？",59,111,{"webId":51,"stem":52,"number":53,"year":54,"session":30},"nurse-112-3-basic-medicine-027","鼻咽癌那一種組織形態對放射線治療敏感性最好、效果最佳？",27,112,{"webId":56,"stem":57,"number":58,"year":59,"session":11},"nurse-114-1-basic-medicine-031","下列何種藥物不能抑制乙醯膽鹼酯酶（acetylcholinesterase）？",31,114,{"webId":61,"stem":62,"number":63,"year":64,"session":35},"nurse-115-2-basic-medicine-025","有關鼻咽癌（nasopharyngeal carcinoma）的敘述，下列何者正確？",25,115,"2026-09-04",1788510719357]