[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-108-2-basic-medicine-010":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"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-108-2-基礎醫學-010","nurse-108-2-basic-medicine-010",108,2,10,"二尖瓣的功能在於防止血液逆流至：",{"A":15,"B":16,"C":17,"D":18},"左心房","左心室","右心房","右心室","A",null,[],"本題考點為二尖瓣的位置與防逆流方向。二尖瓣(左房室瓣)位於左心房與左心室之間,當左心室收縮時關閉,防止血液由左心室逆流回左心房,故答案為左心房,選A。B左心室是二尖瓣下游腔室,血液正常由左心房經二尖瓣流入左心室,不涉及逆流至此。C右心房與二尖瓣不相鄰,右側房室由三尖瓣把守。D右心室同屬右心系統,與二尖瓣無關。判斷關鍵在於認清「瓣膜防止血液回流至其上游腔室」,二尖瓣的上游是左心房,故收縮期防止逆流至左心房。","心臟四瓣防逆流方向:三尖瓣防右室→右房、二尖瓣防左室→左房、肺動脈瓣防肺動脈→右室、主動脈瓣防主動脈→左室。二尖瓣兩片瓣葉,靠腱索與乳頭肌固定,收縮期壓力升高時關閉。臨床對比:二尖瓣閉鎖不全會使血液逆流回左心房,造成左房壓上升、肺充血;二尖瓣狹窄則阻礙左房排空。記憶:「左二右三」——左側二尖瓣、右側三尖瓣。",[25,28,30,32],{"term":26,"count":27},"二尖瓣",1,{"term":29,"count":27},"左心房左心室",{"term":31,"count":27},"瓣膜防逆流方向",{"term":33,"count":27},"左房室瓣",[35,39,44,48,53,58],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-108-2-basic-medicine-011","男性生殖系統構造中，何者具有肉膜肌（dartos muscle）？",11,{"webId":40,"stem":41,"number":42,"year":43,"session":27},"nurse-109-1-basic-medicine-027","那一段腎小管對水的滲透性最低？",27,109,{"webId":45,"stem":46,"number":47,"year":43,"session":11},"nurse-109-2-basic-medicine-041","一位58歲的女性出現雷諾氏現象（Raynaud’s phenomenon）及食道運動功能障礙，血清學檢查抗核抗體試驗呈陽性反應，此婦人最有可能罹患下列何種病症？",41,{"webId":49,"stem":50,"number":51,"year":52,"session":11},"nurse-110-2-basic-medicine-079","有關庫賈氏病（Creutzfeldt-Jakob disease, CJD）的敘述，下列何者錯誤？",79,110,{"webId":54,"stem":55,"number":56,"year":57,"session":11},"nurse-112-2-basic-medicine-023","粥狀硬化（Atherosclerosis）引起的動脈瘤最常發生於何處？",23,112,{"webId":59,"stem":60,"number":61,"year":62,"session":63},"nurse-113-3-basic-medicine-017","一個 70 歲老人的心電圖（ECG）如下，他的心跳每分鐘約多少下？",17,113,3,"2026-09-04",1788510704854]