[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-107-2-medical-surgical-054":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":34,"lastmod":64},"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-107-2-內外科護理學-054","nurse-107-2-medical-surgical-054",107,2,54,"急性呼吸窘迫症候群病人使用呼氣末正壓（PEEP）的目的，下列何者正確？",{"A":14,"B":15,"C":16,"D":17},"協助打開氣管及支氣管","減少功能性肺餘容積","減少分流情形","可增加胸內靜脈回流","C",null,[],"本題考點在呼氣末正壓(PEEP)於急性呼吸窘迫症候群(ARDS)的作用機轉。依生理,ARDS 肺泡因表面張力素缺乏而塌陷、產生大量肺內分流(血流經未通氣肺泡而未氧合);PEEP 在呼氣末維持正壓,使塌陷肺泡重新張開並維持開放,增加參與氣體交換的肺泡數,故能減少分流、改善氧合,選 C。選項 A 錯,PEEP 撐開的是肺泡而非氣管支氣管;選項 B 錯,PEEP 是『增加』而非減少功能性肺餘容積(FRC);選項 D 錯,PEEP 升高胸內壓反而『減少』靜脈回流,可能造成心輸出量下降。","分流(shunt)指血流通過無通氣的肺泡,是 ARDS 頑固性低血氧的主因,單純提高吸入氧濃度效果有限,需靠 PEEP 復張肺泡。代價是胸內壓上升壓迫大靜脈、降低前負荷與心輸出量,並增加氣壓傷風險。臨床以『最佳 PEEP』在氧合與循環間取得平衡。口訣:PEEP 開肺泡、增 FRC、減分流,但降回心血量。",[24,27,29,32],{"term":25,"count":26},"急性呼吸窘迫症候群 ARDS",3,{"term":28,"count":26},"肺內分流",{"term":30,"count":31},"呼氣末正壓 PEEP",1,{"term":33,"count":31},"功能性肺餘容積",[35,39,44,49,54,59],{"webId":36,"stem":37,"number":38,"year":9,"session":10},"nurse-107-2-medical-surgical-055","有關氣管內插管病人之護理措施，下列何者錯誤？",55,{"webId":40,"stem":41,"number":42,"year":43,"session":31},"nurse-108-1-medical-surgical-071","有關甲狀腺切除後可能發生的合併症，下列何者正確？",71,108,{"webId":45,"stem":46,"number":47,"year":48,"session":31},"nurse-109-1-medical-surgical-005","指導重症肌無力病人之護理措施，下列何者錯誤？",5,109,{"webId":50,"stem":51,"number":52,"year":53,"session":31},"nurse-110-1-medical-surgical-043","有關骨髓抑制病人之敘述，下列何者錯誤？",43,110,{"webId":55,"stem":56,"number":57,"year":58,"session":10},"nurse-111-2-medical-surgical-007","腦腫瘤病人使用類固醇（Decadron）治療的主要目的，下列何者正確？",7,111,{"webId":60,"stem":61,"number":62,"year":63,"session":10},"nurse-112-2-medical-surgical-041","有關上腔靜脈症候群之敘述，下列何者正確？",41,112,"2026-09-04",1788510725376]