[{"data":1,"prerenderedAt":63},["ShallowReactive",2],{"q-nurse-107-2-basic-medicine-006":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"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":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"explanation":22,"explanationDeep":23,"topics":24,"freq":27},"nurse-107-2-基礎醫學-006","nurse-107-2-basic-medicine-006",107,2,6,"心臟的電位傳導系統中，何構造位於冠狀竇開口處？",{"A":15,"B":16,"C":17,"D":18},"竇房結","房室結","希氏束","蒲金氏纖維","B",null,[],"本題考點在心臟傳導系統各結構的解剖位置。房室結位於右心房下部、冠狀竇開口前方的房間隔內(Koch 三角區),負責延遲來自心房的電位以讓心室充分充盈,其定位正對冠狀竇開口處,選 B。A 竇房結位於上腔靜脈與右心房交界處,是節律點,不在冠狀竇口;C 希氏束由房室結延續向下穿入室間隔,已離開心房;D 蒲金氏纖維分布於心室壁內膜下,更遠離冠狀竇。冠狀竇開口是定位房室結的解剖地標。","傳導順序口訣「竇房結→房室結→希氏束→左右束支→蒲金氏纖維」。房室結所在的 Koch 三角以冠狀竇口、三尖瓣隔瓣、Todaro 腱為界,是電生理燒灼時避免傷及傳導系統的重要標記。房室結的傳導延遲(約 0.1 秒)造就 PR 間期,可連結心電圖章節複習。",[25,28,29,31],{"term":26,"count":27},"心臟傳導系統",3,{"term":16,"count":11},{"term":30,"count":11},"冠狀竇",{"term":32,"count":33},"Koch 三角",1,[35,39,44,48,53,58],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-107-2-basic-medicine-007","下列器官何者接受腸繫膜下動脈的血液供應？",7,{"webId":40,"stem":41,"number":42,"year":43,"session":33},"nurse-108-1-basic-medicine-023","下列何者最不容易使氧合血紅素解離曲線（oxygen-hemoglobin dissociation curve）右移？",23,108,{"webId":45,"stem":46,"number":47,"year":43,"session":11},"nurse-108-2-basic-medicine-037","下列何種致病原導致的肺炎在常規組織切片之顯微特徵為肺泡內充滿泡沬狀嗜酸性物質？",37,{"webId":49,"stem":50,"number":51,"year":52,"session":11},"nurse-109-2-basic-medicine-075","下列關於披衣菌（Chlamydiaceae）的敘述，何者正確？",75,109,{"webId":54,"stem":55,"number":56,"year":57,"session":33},"nurse-111-1-basic-medicine-039","下列那一種腎臟腫瘤主要常見於 10 歲以下的小孩？",39,111,{"webId":59,"stem":60,"number":27,"year":61,"session":27},"nurse-112-3-basic-medicine-003","三塊聽小骨（auditory ossicle）位在那一塊骨頭之中？",112,"2026-09-04",1788510723276]