[{"data":1,"prerenderedAt":62},["ShallowReactive",2],{"q-nurse-108-2-medical-surgical-024":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":33,"lastmod":61},"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":10},"nurse-108-2-內外科護理學-024","nurse-108-2-medical-surgical-024",108,2,24,"有關急性心肌梗塞病人採限鈉飲食之敘述，下列何者正確？",{"A":14,"B":15,"C":16,"D":17},"可改善現存水腫問題，並提高心臟效能","可預防因組織水腫所導致的血壓升高","可避免水分滯留，以減少心臟工作負荷","可產生利尿效果，並減少循環血量","C",null,[],"本題考點是急性心肌梗塞病人限鈉飲食的生理目的。依鈉與水分滯留的關係,鈉會經滲透作用滯留水分,增加循環血量與心臟前負荷;限鈉可減少水分滯留,進而降低心臟工作負荷,故選 C。A 錯在誇大,限鈉是減輕負荷、預防惡化,無法直接「提高心臟效能」改善既存收縮力。B 錯在因果,水腫所致血壓變化非限鈉主要訴求,且描述機轉不精確。D 錯在把限鈉當利尿劑,限鈉本身不產生藥理利尿作用,利尿需靠利尿劑達成。考點在於辨識限鈉的作用是「減負荷」而非「增效能」或「利尿」。","機轉鏈:高鈉→水分滯留→血容量↑→前負荷↑→心肌耗氧↑,對缺血心肌不利。限鈉與限水並用可降低容量負荷,配合利尿劑效果更佳。急性心肌梗塞飲食原則常為低鈉、低脂、少量多餐、避免刺激性與過冷過熱食物以減少心臟負擔。可連結:前負荷、心肌耗氧量、腎素-血管收縮素-醛固酮系統(RAAS)、利尿劑作用。",[24,26,28,31],{"term":25,"count":10},"限鈉飲食",{"term":27,"count":10},"水鈉滯留",{"term":29,"count":30},"心臟前負荷",1,{"term":32,"count":30},"急性心肌梗塞飲食",[34,38,43,47,52,57],{"webId":35,"stem":36,"number":37,"year":9,"session":10},"nurse-108-2-medical-surgical-025","有關冠狀動脈疾病治療藥物之敘述，下列何者正確？",25,{"webId":39,"stem":40,"number":41,"year":42,"session":30},"nurse-109-1-medical-surgical-041","有關大面積重度燒傷初期（48 小時內），對於心臟血管系統造成的影響，下列何者錯誤？",41,109,{"webId":44,"stem":45,"number":46,"year":42,"session":10},"nurse-109-2-medical-surgical-055","有關護理師給予氣切造口（tracheostomy）病人抽痰時，下列措施何者最重要？",55,{"webId":48,"stem":49,"number":50,"year":51,"session":30},"nurse-111-1-medical-surgical-013","有關膈裂孔疝氣的敘述，下列何者正確？",13,111,{"webId":53,"stem":54,"number":55,"year":56,"session":30},"nurse-112-1-medical-surgical-057","病人有心衰竭病史，因車禍造成左側肋骨骨折與氣血胸，目前出現急性呼吸衰竭的情形，下列護理措施何者最不適宜？",57,112,{"webId":58,"stem":59,"number":41,"year":60,"session":30},"nurse-113-1-medical-surgical-041","有關良性前列腺肥大（BPH）之敘述，下列何者錯誤？",113,"2026-09-04",1788510706379]