[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-110-1-basic-medicine-017":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":35,"lastmod":64},"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-017","nurse-110-1-basic-medicine-017",110,1,17,"何時次級卵母細胞（secondary oocyte）會完成第二次減數分裂？",{"A":15,"B":16,"C":17,"D":18},"胚胎時期","出生時","排卵時","受精時","D",null,[],"本題考點在於卵母細胞減數分裂的停滯與完成時機。次級卵母細胞在排卵時停滯於第二次減數分裂中期(MII),必須等到精子穿入、受精發生時才被觸發完成第二次減數分裂,並排出第二極體,故選D受精時。胚胎時期(A)卵原細胞增殖並進入第一次減數分裂前期即停滯。出生時(B)卵巢內仍是停在第一次減數分裂的初級卵母細胞。排卵時(C)僅完成第一次減數分裂、進入MII停滯,尚未完成第二次。故唯有受精才促成MII完成。","卵子發生有兩次「凍結」:初級卵母細胞自胎兒期停在MI前期(prophase I),至青春期每次排卵前才完成MI;次級卵母細胞排卵時停在MII中期,受精才解鎖完成。對比精子發生一氣呵成、無停滯,是生殖生理的經典比較題。",[25,28,30,33],{"term":26,"count":27},"次級卵母細胞",3,{"term":29,"count":27},"受精",{"term":31,"count":32},"第二次減數分裂",2,{"term":34,"count":11},"MII中期停滯",[36,40,44,49,54,59],{"webId":37,"stem":38,"number":39,"year":10,"session":11},"nurse-110-1-basic-medicine-018","以間隙接合（gap junction）形成的電性突觸（electrical synapse）並不存在於：",18,{"webId":41,"stem":42,"number":43,"year":10,"session":32},"nurse-110-2-basic-medicine-034","臨床上引起肺栓塞（pulmonary embolism）栓子（embolus）最常見的來源，下列何者正確？",34,{"webId":45,"stem":46,"number":47,"year":48,"session":11},"nurse-111-1-basic-medicine-048","下列何者是病理性骨折（pathological fracture）？",48,111,{"webId":50,"stem":51,"number":52,"year":53,"session":27},"nurse-112-3-basic-medicine-016","下列何種變化最有利於增加骨質密度？",16,112,{"webId":55,"stem":56,"number":57,"year":58,"session":11},"nurse-114-1-basic-medicine-020","下列何者源自骨髓細胞，而後遷移至中樞神經系統內成熟？",20,114,{"webId":60,"stem":61,"number":62,"year":63,"session":32},"nurse-115-2-basic-medicine-014","某病人接受頸部手術後，抱怨手術後食慾不佳、便秘症狀。上述症狀最可能是因為那一條神經受損所造成？",14,115,"2026-09-04",1788510719245]