[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-110-2-medical-surgical-030":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":33,"lastmod":63},"內外科護理學","medical-surgical",{"id":7,"webId":8,"year":9,"session":10,"subject":4,"number":11,"stem":12,"options":13,"answer":18,"answerNote":19,"images":20,"explanation":21,"explanationDeep":22,"topics":23,"freq":26},"nurse-110-2-內外科護理學-030","nurse-110-2-medical-surgical-030",110,2,30,"有關心電圖的敘述，下列何者錯誤？",{"A":14,"B":15,"C":16,"D":17},"胸導程 V5，應置放在左腋前線第五肋間","T 波表示心室去極化","運動心電圖可評估心肌缺氧的情形","相鄰的 2 個 R 波為 5 大格，則心跳速率為 60 次／分","B",null,[],"本題考點在於心電圖波形所代表的心臟電生理事件，須挑出錯誤者。T波代表的是心室「再極化(repolarization)」，而非去極化，故B「T波表示心室去極化」為錯誤答案；心室去極化對應的是QRS波。胸導程V5置於左腋前線第五肋間(A)，符合標準導極位置，正確。運動心電圖可在增加心臟負荷時誘發並評估心肌缺氧或冠狀動脈供血不足(C)，正確。相鄰兩R波相距五大格時，心跳速率為300除以5等於60次／分(D)，正確。故錯誤者為B。","波形對應：P波=心房去極化;QRS=心室去極化;T波=心室再極化;心房再極化被QRS掩蓋。快速估心率法：300除以R-R間相隔的大格數(300\u002F大格數)，或1500除以小格數。運動心電圖用於冠心病篩檢，缺氧時可見ST段下降。記憶口訣「QRS去極化、T波再極化、五大格六十下」。可連結概念：ST段變化、心律估算、缺血性心電圖表現。",[24,27,29,31],{"term":25,"count":26},"心電圖波形",1,{"term":28,"count":26},"心室再極化",{"term":30,"count":26},"T波與QRS",{"term":32,"count":26},"心率估算法",[34,38,43,47,53,58],{"webId":35,"stem":36,"number":37,"year":9,"session":10},"nurse-110-2-medical-surgical-031","有關心律不整的敘述，下列何者錯誤？",31,{"webId":39,"stem":40,"number":41,"year":42,"session":26},"nurse-111-1-medical-surgical-047","有關燒傷深度的敘述，下列何者錯誤？",47,111,{"webId":44,"stem":45,"number":46,"year":42,"session":10},"nurse-111-2-medical-surgical-061","有關腎臟結石常見的臨床症狀，下列何者錯誤？",61,{"webId":48,"stem":49,"number":50,"year":51,"session":52},"nurse-112-3-medical-surgical-019","有關 Dopamine 作用的敘述，下列何者正確？①2 μg\u002Fkg\u002Fmin 會增加心肌的自動性，因此可減少心室節律障礙 ②可治療低血容量性休克 ③5～10 μg\u002Fkg\u002Fmin 主要作用是增加腎血流量 ④大於10 μg\u002Fkg\u002Fmin 作用是末梢血管收縮",19,112,3,{"webId":54,"stem":55,"number":56,"year":57,"session":26},"nurse-114-1-medical-surgical-023","中樞神經系統癌症病人，若選用難以通過血腦障壁之化學治療時，下列何者為最適切之給藥途徑？ ①Port-A   ②Ommaya reservoir   ③Hickman catheter   ④intrathecal injection",23,114,{"webId":59,"stem":60,"number":61,"year":62,"session":10},"nurse-115-2-medical-surgical-017","心臟衰竭功能性分級第 4 級（NYHA Fc IV），最可能出現下列何種活動功能限制？",17,115,"2026-09-04",1788510729059]