[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-111-1-basic-medicine-014":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":33,"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":27},"nurse-111-1-基礎醫學-014","nurse-111-1-basic-medicine-014",111,1,14,"下列何者會發出滋養肺臟的支氣管動脈？",{"A":15,"B":16,"C":17,"D":18},"肺動脈","肺靜脈","胸主動脈","胸內動脈","C",null,[],"本題考點在於支氣管動脈的起源。肺臟有雙重血液供應:肺動脈屬功能性循環,運送缺氧血至肺泡進行氣體交換;而滋養肺實質組織本身(支氣管壁、結締組織)的營養性血流則由支氣管動脈供應,支氣管動脈直接發自胸主動脈,故選 C。A 肺動脈運送的是待氧合的缺氧血,任務是氣體交換而非營養供應。B 肺靜脈是把氧合血帶回左心房的回流血管,不會發出分支滋養肺。D 胸內動脈(內乳動脈)發自鎖骨下動脈,主要供應前胸壁與乳房,與肺實質營養無關。故正解為 C。","關鍵是分清「功能性循環」與「營養性循環」:肺動脈\u002F肺靜脈負責氣體交換(功能),支氣管動脈\u002F靜脈負責供養肺組織(營養)。支氣管動脈通常有 1–2 條起自胸主動脈(右側有時起自肋間動脈),血量僅佔心輸出量約 1–2%。支氣管靜脈部分回流至奇靜脈系統,部分則匯入肺靜脈,這部分缺氧血摻入氧合血是造成正常人動脈血含少量「生理性分流」與 PaO₂ 略低於肺泡的原因之一,屬延伸考點。",[25,28,29,31],{"term":26,"count":27},"支氣管動脈",2,{"term":17,"count":11},{"term":30,"count":11},"營養性循環",{"term":32,"count":11},"功能性循環",[34,38,42,47,53,58],{"webId":35,"stem":36,"number":37,"year":10,"session":11},"nurse-111-1-basic-medicine-015","中腦內不具有下列何者？",15,{"webId":39,"stem":40,"number":41,"year":10,"session":27},"nurse-111-2-basic-medicine-031","Amantadine 具有抗巴金森氏症的作用，有關其副作用，下列敘述何者錯誤？",31,{"webId":43,"stem":44,"number":45,"year":46,"session":27},"nurse-112-2-basic-medicine-025","由於發炎導致組織表面壞死，稱為：",25,112,{"webId":48,"stem":49,"number":50,"year":51,"session":52},"nurse-113-3-basic-medicine-023","微生物可能和癌症有關，下列敘述何者最不適當？",23,113,3,{"webId":54,"stem":55,"number":56,"year":57,"session":11},"nurse-115-1-basic-medicine-027","下列何種病毒不會造成慢性肝炎？",27,115,{"webId":59,"stem":60,"number":61,"year":62,"session":27},"nurse-106-2-basic-medicine-041","下列有關缺鐵性貧血（iron deficiency anemia）的診斷條件，何者錯誤？",41,106,"2026-09-04",1788510732778]