[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-107-1-maternal-pediatric-030":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":34,"lastmod":64},"產兒科護理學","maternal-pediatric",{"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-107-1-產兒科護理學-030","nurse-107-1-maternal-pediatric-030",107,1,30,"承上題，下列何者可能為造成上述情形的原因？",{"A":14,"B":15,"C":16,"D":17},"胎頭受壓","胎盤功能不良","臍帶受壓","胎兒感染","C",null,[],"本題考點在承上題變異性減速的成因對應。依 VEAL CHOP 對照，變異性減速（Variable）對應臍帶受壓（Cord compression），臍帶受壓使胎兒循環短暫受阻而 FHR 驟降，故選 C。A 胎頭受壓對應的是早期減速，而非變異性減速。B 胎盤功能不良對應的是晚期減速，反映子宮胎盤灌流不足，非本題型態。D 胎兒感染並非變異性減速的典型直接成因（感染多表現為胎兒心搏過速或基準變異改變），與圖形對應不符。故依圖形—成因對應，臍帶受壓為最合理原因。","臍帶受壓機轉：臍帶被胎兒身體、子宮壁壓迫或羊水過少時，先壓迫壁薄的臍靜脈使回心血量減少（胎兒代償性心跳略升），再壓迫臍動脈致外周阻力驟升、迷走神經反射性使 FHR 急降，形成 V 形突降突回。常見於羊水過少、臍帶繞頸或脫垂。護理對應：改變母體體位（左側臥）解除壓迫、給氧、增加靜脈點滴輸注、必要時羊水灌注；若持續嚴重需評估緊急娩出。記憶鏈：Variable→Cord→體位改變優先。可連結概念：臍帶受壓、迷走反射、羊水過少、變異性減速處置。",[24,27,29,31],{"term":25,"count":26},"變異性減速",6,{"term":16,"count":28},5,{"term":30,"count":28},"迷走神經反射",{"term":32,"count":33},"VEAL CHOP 口訣",4,[35,39,44,49,54,59],{"webId":36,"stem":37,"number":38,"year":9,"session":10},"nurse-107-1-maternal-pediatric-031","產後婦女使用子宮收縮劑 Methergine 時，須特別留意下列何項生命徵象？",31,{"webId":40,"stem":41,"number":42,"year":9,"session":43},"nurse-107-2-maternal-pediatric-047","小玉，罹患先天性甲狀腺功能低下（congenital hypothyroidism），長期服用甲狀腺藥物，下列何者不是甲狀腺毒性反應之症狀？",47,2,{"webId":45,"stem":46,"number":47,"year":48,"session":10},"nurse-108-1-maternal-pediatric-061","小華，4 歲，住院接受靜脈輸液導管治療，有關導管拔除前後之護理措施，下列何者正確？",61,108,{"webId":50,"stem":51,"number":52,"year":53,"session":43},"nurse-109-2-maternal-pediatric-019","陰道生產的產後第二天，評估子宮底呈堅硬狀，位置在肚臍以下 2 公分，惡露呈紅色且小量，此時最適當的護理指導為何？",19,109,{"webId":55,"stem":56,"number":57,"year":58,"session":43},"nurse-110-2-maternal-pediatric-063","張小妹，5 個月大，因肺部嚴重感染而住院，現有氣管內管留置，呼吸道分泌物黏稠，有關執行抽痰技能與應注意的事項，下列敘述何者正確？",63,110,{"webId":60,"stem":61,"number":62,"year":63,"session":10},"nurse-112-1-maternal-pediatric-017","有關胎心音監測的敘述，下列何者正確？",17,112,"2026-09-04",1788510703538]