[{"data":1,"prerenderedAt":63},["ShallowReactive",2],{"q-nurse-115-2-maternal-pediatric-009":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":33,"lastmod":62},"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-115-2-產兒科護理學-009","nurse-115-2-maternal-pediatric-009",115,2,9,"陳女士，G 1 P 0 ，懷孕 39 週，胎位為 LOA，目前已進入第二產程，胎頭已有撥露（排臨）現象。根據分娩機轉，此時常見的胎位應為？",{"A":14,"B":15,"C":16,"D":17},"LOA","OA","ROA","OP","B",null,[],"本題考點是分娩機轉中內旋轉的方向與結果。依分娩機轉七步驟，胎頭在下降至骨盆底並遇到提肛肌阻力後會發生內旋轉，將枕部由左前方轉向正前方正中，使最小徑線配合前後徑較大的骨盆出口；當胎頭出現撥露（排臨）時，胎頭已完成內旋轉並抵住陰道口，故此時胎位為枕前位 OA，選 B。A 錯：LOA 是內旋轉前、入盆下降階段的胎位。C 錯：ROA 為右枕前，旋轉方向與原始左枕前不符。D 錯：OP 為枕後位，屬持續性枕後位的異常情形，會延長第二產程且非撥露時的常見胎位。","分娩機轉順序可記為「銜接—下降—俯屈—內旋轉—仰伸—外旋轉—娩出」。內旋轉的角度依原始胎位而定：LOA 或 ROA 需旋轉約 45 度成 OA，枕橫位需約 90 度，枕後位則需約 135 度或以持續性枕後位分娩，這也解釋了為何枕後位產婦背痛明顯、第二產程較長。胎頭娩出後會外旋轉回到與肩膀一致的方向，是肩膀進行內旋轉的結果。延伸可連結第二產程護理、著冠與撥露的區別，以及會陰保護時機。",[24,27,29,31],{"term":25,"count":26},"分娩機轉七步驟",1,{"term":28,"count":26},"內旋轉",{"term":30,"count":26},"枕前位 OA",{"term":32,"count":26},"撥露(排臨)",[34,38,43,47,52,57],{"webId":35,"stem":36,"number":37,"year":9,"session":10},"nurse-115-2-maternal-pediatric-010","監測待產婦胎心速率時，護理師發現胎心監測紀錄在胎動時有胎心率加速 10 bpm 的情形，下列何項處置較適宜？",10,{"webId":39,"stem":40,"number":41,"year":42,"session":26},"nurse-106-1-maternal-pediatric-056","下列何種腸病毒感染的致病原最容易引起神經系統的併發症？",56,106,{"webId":44,"stem":45,"number":46,"year":42,"session":10},"nurse-106-2-maternal-pediatric-070","新生兒篩檢之代謝性異常疾病，若未及時治療，下列何者較不會影響智力的發展？",70,{"webId":48,"stem":49,"number":50,"year":51,"session":26},"nurse-108-1-maternal-pediatric-028","產後會陰傷口評估所使用的項目縮寫為何？",28,108,{"webId":53,"stem":54,"number":55,"year":56,"session":26},"nurse-109-1-maternal-pediatric-072","王小妹，5 歲，罹患心房中隔缺損，進行心導管檢查。有關心導管檢查後的護理措施，下列敘述何者正確？",72,109,{"webId":58,"stem":59,"number":60,"year":61,"session":10},"nurse-110-2-maternal-pediatric-026","下列那一個新生兒篩檢項目為檢測性聯染色體隱性遺傳疾病？",26,110,"2026-08-06",1787299006897]