[{"data":1,"prerenderedAt":63},["ShallowReactive",2],{"q-nurse-114-2-basic-medicine-002":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":11,"stem":12,"options":13,"answer":18,"answerNote":19,"images":20,"explanation":21,"explanationDeep":22,"topics":23,"freq":11},"nurse-114-2-基礎醫學-002","nurse-114-2-basic-medicine-002",114,2,"下列結構中，何者直徑最大？",{"A":14,"B":15,"C":16,"D":17},"微絲（microfilament）","微小管（microtubule）","中間絲（intermediate filament）","肌原纖維（myofibril）","D",null,[],"本題考點在於細胞骨架與肌肉收縮單位的尺寸比較。依細胞學，三種細胞骨架直徑由小到大為微絲（microfilament，約7 nm）＜中間絲（intermediate filament，約10 nm）＜微小管（microtubule，約25 nm）；而肌原纖維（myofibril）是由眾多肌絲集結而成的收縮構造，直徑可達1至2微米（μm），遠大於前三者，故選D。A、B、C 皆為奈米級細胞骨架，直徑遠小於肌原纖維。故答案為D。","尺寸階層：微絲7 nm（肌動蛋白）＜中間絲10 nm（結構支撐）＜微小管25 nm（微管蛋白，運輸與紡錘體）；肌原纖維是「構造」而非單一絲，含許多肌節（sarcomere），直徑μm等級，跨了三個數量級。留意單位由nm跳到μm即可秒答。",[24,26,29,31],{"term":25,"count":11},"肌原纖維",{"term":27,"count":28},"細胞骨架",1,{"term":30,"count":28},"微絲\u002F中間絲\u002F微小管直徑",{"term":32,"count":28},"尺寸比較",[34,38,42,47,52,57],{"webId":35,"stem":36,"number":37,"year":10,"session":11},"nurse-114-2-basic-medicine-003","有關肌肉的作用，下列何者與其他三者不同？",3,{"webId":39,"stem":40,"number":41,"year":10,"session":37},"nurse-114-3-basic-medicine-049","以蟲媒為傳染媒介的病毒，下列何者配對錯誤？",49,{"webId":43,"stem":44,"number":45,"year":46,"session":11},"nurse-115-2-basic-medicine-043","下列有關病毒感染所引起的免疫防禦機制，何者錯誤？",43,115,{"webId":48,"stem":49,"number":50,"year":51,"session":28},"nurse-107-1-basic-medicine-031","氧合解離曲線發生移動時會引起所謂波爾效應（Bohr effect），這在正常成人生理作用上有何重要意義？",31,107,{"webId":53,"stem":54,"number":55,"year":56,"session":28},"nurse-108-1-basic-medicine-075","下列何者與 CD8 T 細胞的作用較無關？",75,108,{"webId":58,"stem":59,"number":60,"year":61,"session":11},"nurse-109-2-basic-medicine-029","高鉀食物會造成下列那一段腎小管增加鉀的分泌？",29,109,"2026-09-04",1788510758543]