[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-106-2-basic-medicine-025":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"lastmod":63},"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":26},"nurse-106-2-基礎醫學-025","nurse-106-2-basic-medicine-025",106,2,25,"於雌性生殖細胞中，何者具單套 23 條成對之染色體？",{"A":15,"B":16,"C":17,"D":18},"卵原細胞","初級卵母細胞","次級卵母細胞","卵細胞","C",null,[],"本題考點是卵子生成各階段的染色體套數。依減數分裂進程,初級卵母細胞完成第一次減數分裂後產生次級卵母細胞,此時染色體數已減半為單套 23 條,但每條仍含兩條姊妹染色分體(即「成對」),故選 C。A 卵原細胞與 B 初級卵母細胞皆為雙套 46 條;D 卵細胞須完成第二次減數分裂,姊妹染色分體分開後為單套 23 條「單一」染色分體,不符「成對」描述,故均非答案。","卵子生成時序:卵原細胞(2n,有絲分裂)→初級卵母細胞(2n,停在減數 I 前期)→排卵前完成減數 I →次級卵母細胞(n,含姊妹染色分體,停在減數 II 中期)→受精才完成減數 II →卵細胞(n)。關鍵:「23 條成對」即減數 I 後、姊妹染色分體尚未分開的次級卵母細胞;對照精子生成則連續無停滯。",[25,27,29,32],{"term":17,"count":26},3,{"term":28,"count":11},"減數分裂",{"term":30,"count":31},"單套染色體",1,{"term":33,"count":31},"姊妹染色分體",[35,39,44,48,53,58],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-106-2-basic-medicine-026","迷走神經末梢分泌之乙醯膽鹼（acetylcholine）可以使心跳速率減慢，其原因為促使心臟節律性細胞（pacemaker cell）：",26,{"webId":40,"stem":41,"number":42,"year":43,"session":31},"nurse-107-1-basic-medicine-042","Reed-Sternberg 細胞是一種特殊的腫瘤細胞，此種細胞出現在下列那種腫瘤？",42,107,{"webId":45,"stem":46,"number":47,"year":43,"session":11},"nurse-107-2-basic-medicine-056","Flecainide 可用於治療具威脅生命之心室心律不整，但也容易引發致命的心律不整，主要原因為何？",56,{"webId":49,"stem":50,"number":51,"year":52,"session":31},"nurse-109-1-basic-medicine-014","下列何者不是常見的神經傳導物質（neurotransmitter）？",14,109,{"webId":54,"stem":55,"number":56,"year":57,"session":31},"nurse-110-1-basic-medicine-058","Alteplase 主要用於治療急性缺血性中風、心肌梗塞、肺栓塞、深部靜脈栓塞，其藥理作用機轉為何？",58,110,{"webId":59,"stem":60,"number":61,"year":62,"session":11},"nurse-111-2-basic-medicine-012","當小偷被警察追著跑時，下列何者不是小偷的交感神經調控之生理作用？",12,111,"2026-09-04",1788510696340]