[{"data":1,"prerenderedAt":62},["ShallowReactive",2],{"q-nurse-109-1-basic-medicine-009":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":33,"lastmod":61},"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":26},"nurse-109-1-基礎醫學-009","nurse-109-1-basic-medicine-009",109,1,9,"冠狀動脈直接源自：",{"A":15,"B":16,"C":17,"D":18},"主動脈弓","胸主動脈","升主動脈","降主動脈","C",null,[],"本題考點是冠狀動脈的起源部位。依心臟血管解剖,左、右冠狀動脈直接發自「升主動脈」根部、主動脈瓣正上方的主動脈竇(Valsalva 竇),故選 C。A 主動脈弓發出的是頭臂幹、左總頸動脈與左鎖骨下動脈,供應頭頸與上肢,非冠狀動脈。B 胸主動脈(降主動脈胸段)發出肋間動脈等,供應胸壁與胸腔臟器。D 降主動脈涵蓋胸、腹段,供應軀幹與下半身,均在冠狀動脈起點之後。考點在於記住冠狀動脈是主動脈的『第一批分支』,源自升主動脈根部,故心臟能優先獲得含氧血。","起點細節:主動脈瓣三個瓣竇中,右冠竇發出右冠狀動脈、左冠竇發出左冠狀動脈,後竇(無冠竇)無分支。生理巧思:冠狀動脈灌流主要發生在『舒張期』——收縮期心肌擠壓與瓣膜遮蔽使血流受限,舒張期主動脈瓣關閉、血液回壓入冠竇灌注心肌。臨床連結:心搏過速縮短舒張期會減少冠脈灌流,是心肌缺血機轉之一。",[25,27,29,31],{"term":17,"count":26},2,{"term":28,"count":26},"舒張期冠脈灌流",{"term":30,"count":11},"冠狀動脈起源",{"term":32,"count":11},"主動脈竇Valsalva",[34,38,42,47,52,56],{"webId":35,"stem":36,"number":37,"year":10,"session":11},"nurse-109-1-basic-medicine-010","下列何者不是上肢的淺層靜脈？",10,{"webId":39,"stem":40,"number":41,"year":10,"session":26},"nurse-109-2-basic-medicine-026","18歲女性外表，沒有月經，性染色體為XY，其細胞對雄性素不敏感，在此病人所表現的病徵中，下列何者是因為缺乏雄性素接受器所造成？",26,{"webId":43,"stem":44,"number":45,"year":46,"session":11},"nurse-110-1-basic-medicine-040","骨質疏鬆症（osteoporosis）與下列那一徵候較無關？",40,110,{"webId":48,"stem":49,"number":50,"year":51,"session":11},"nurse-111-1-basic-medicine-078","下列何種病毒會造成潛伏感染（latent infection），病毒會潛伏在神經節的神經細胞中？",78,111,{"webId":53,"stem":54,"number":26,"year":55,"session":11},"nurse-113-1-basic-medicine-002","單一肌節（sarcomere）的範圍，下列定義何者最正確？",113,{"webId":57,"stem":58,"number":59,"year":60,"session":11},"nurse-114-1-basic-medicine-046","病人最近得到泌尿道感染，醫師利用革蘭氏染色法檢驗尿液中的細菌，染到與番紅（safranin）呈現相同顏色的一株細菌，下列針對這株細菌的敘述，何者錯誤？",46,114,"2026-09-04",1788510710996]