[{"data":1,"prerenderedAt":66},["ShallowReactive",2],{"q-nurse-112-2-basic-medicine-017":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":36,"lastmod":65},"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-112-2-基礎醫學-017","nurse-112-2-basic-medicine-017",112,2,17,"心動週期中，第一心音發生於何時？",{"A":15,"B":16,"C":17,"D":18},"心室收縮開始時","心室收縮結束時","心室舒張開始時","心室舒張結束時","A",null,[],"本題考點在於心動週期中心音的產生時機與瓣膜開閉。依心臟聽診原理，第一心音（S1）來自房室瓣（三尖瓣與二尖瓣）關閉的震動，發生於心室收縮開始的瞬間，代表等容收縮期起點，故選 A。B、C、D 皆錯：心室收縮結束與舒張開始時對應的是半月瓣（主動脈瓣與肺動脈瓣）關閉所產生的第二心音（S2）；心室舒張結束則接近下一次收縮前，並無主要心音對應。S1、S2 的先後正是判讀收縮期與舒張期的基準。","記憶口訣：S1「lub」= AV valve 關（收縮期開始），S2「dub」= semilunar valve 關（收縮期結束、舒張期開始）。S1 對應心尖搏動與頸動脈脈搏，是判斷收縮期雜音（如二尖瓣逆流）的時間錨點。額外的 S3、S4 分別與心室快速充盈及心房收縮相關，可連結心臟聽診區與瓣膜性心臟病雜音時相一併複習。",[25,28,31,33],{"term":26,"count":27},"第一心音",4,{"term":29,"count":30},"心動週期",3,{"term":32,"count":11},"房室瓣",{"term":34,"count":35},"等容收縮期",1,[37,41,46,50,55,60],{"webId":38,"stem":39,"number":40,"year":10,"session":11},"nurse-112-2-basic-medicine-018","尿素和下列那一種物質的累積會造成腎臟髓質組織間的高滲透度（ hyperosmolar medullary renal interstitium）？",18,{"webId":42,"stem":43,"number":44,"year":45,"session":35},"nurse-113-1-basic-medicine-014","右心室的腱索（chordae tendineae）固著在下列何處？",14,113,{"webId":47,"stem":48,"number":49,"year":45,"session":30},"nurse-113-3-basic-medicine-008","下列有關肝小葉之敘述何者錯誤？",8,{"webId":51,"stem":52,"number":53,"year":54,"session":35},"nurse-115-1-basic-medicine-006","神經細胞於靜止膜電位階段，細胞膜對鈉離子與鉀離子的通透性為何？",6,115,{"webId":56,"stem":57,"number":58,"year":59,"session":11},"nurse-106-2-basic-medicine-030","去玉山旅遊時，由於氧分壓不足，因而引起呼吸加快，在此情況下，何種生理反應最可能伴隨發生？",30,106,{"webId":61,"stem":62,"number":63,"year":64,"session":11},"nurse-107-2-basic-medicine-064","下列何種免疫製劑，可以阻斷病毒複製及增強宿主免疫力，在臨床上用於治療 B 型肝炎？",64,107,"2026-09-04",1788510746294]