[{"data":1,"prerenderedAt":62},["ShallowReactive",2],{"q-nurse-112-1-basic-medicine-017":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":31,"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":11},"nurse-112-1-基礎醫學-017","nurse-112-1-basic-medicine-017",112,1,17,"心肌細胞快速反應之高原期（plateau phase），主要是因為那種離子持續流入所造成？",{"A":15,"B":16,"C":17,"D":18},"鉀離子","鈉離子","鈣離子","氯離子","C",null,[],"本題考點在於心肌細胞快速反應動作電位高原期（plateau phase）的離子機轉。心室肌與蒲金氏纖維的動作電位第2期（高原期）之所以能維持去極化狀態，是因為慢型L型鈣離子通道開啟、鈣離子持續內流，恰與鉀離子外流達平衡，使電位維持在平台，故選C。A鉀離子外流是造成第3期再極化下降者，非維持高原期；B鈉離子快速內流負責第0期快速去極化，通道很快去活化，非高原期主因；D氯離子非高原期主要決定離子。考點在於辨識高原期＝鈣內流（L-type Ca²⁺）維持。","心室肌動作電位分期：第0期(Na⁺快速內流去極化)→第1期(短暫K⁺外流初步再極化)→第2期高原期(L-type Ca²⁺內流平衡K⁺外流)→第3期(K⁺外流再極化)→第4期(靜止電位)。高原期延長不反應期、防止心肌強直收縮，確保收縮舒張交替。此Ca²⁺內流也觸發肌漿網釋鈣(鈣誘發鈣釋放)促成收縮。",[25,27,29],{"term":26,"count":11},"心肌動作電位高原期",{"term":28,"count":11},"L型鈣離子通道",{"term":30,"count":11},"鈣離子內流",[32,36,41,47,52,57],{"webId":33,"stem":34,"number":35,"year":10,"session":11},"nurse-112-1-basic-medicine-018","下列有關敗血性休克的敘述，何者最不可能發生？",18,{"webId":37,"stem":38,"number":39,"year":10,"session":40},"nurse-112-3-basic-medicine-014","下列何者與行為動機（motivation）和獎賞（reward）路徑最為相關？",14,3,{"webId":42,"stem":43,"number":44,"year":45,"session":46},"nurse-113-2-basic-medicine-008","下列何器官只被腹膜（peritoneum）覆蓋住其前表面？",8,113,2,{"webId":48,"stem":49,"number":50,"year":51,"session":40},"nurse-114-3-basic-medicine-006","女性青春期時，下列那三種體內的激素，在排卵（ovulation）之前會大量上升？",6,114,{"webId":53,"stem":54,"number":55,"year":56,"session":11},"nurse-106-1-basic-medicine-060","下列何種抗胃潰瘍藥物有抑制肝臟細胞色素 P450（cytochrome P450）的作用？",60,106,{"webId":58,"stem":59,"number":39,"year":60,"session":46},"nurse-107-2-basic-medicine-014","有關牙齒之敘述，下列何者錯誤？",107,"2026-09-04",1788510740605]