[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-106-2-basic-medicine-030":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":35,"lastmod":64},"基礎醫學","basic-medicine","基礎醫學(包括解剖學、生理學、病理學、藥理學、微生物學與免疫學)",{"id":8,"webId":9,"year":10,"session":11,"subject":4,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"explanation":22,"explanationDeep":23,"topics":24,"freq":27},"nurse-106-2-基礎醫學-030","nurse-106-2-basic-medicine-030",106,2,30,"去玉山旅遊時，由於氧分壓不足，因而引起呼吸加快，在此情況下，何種生理反應最可能伴隨發生？",{"A":15,"B":16,"C":17,"D":18},"二氧化碳濃度升高、pH 值降低","二氧化碳濃度降低、pH 值降低","二氧化碳濃度升高、pH 值增大","二氧化碳濃度降低、pH 值增大","D",null,[],"本題考點是高海拔低氧引發過度換氣的酸鹼變化。依呼吸調節機轉,高山氧分壓不足刺激呼吸加快加深(過度換氣),使二氧化碳大量排出、血中 CO₂ 濃度降低;因 CO₂ 減少使碳酸生成下降、氫離子濃度降低,故 pH 值上升,形成呼吸性鹼中毒,故選 D。A、B 均誤判 CO₂ 上升;B、C 的 pH 方向與 CO₂ 變化矛盾(CO₂ 降低應使 pH 升高),故僅 D「CO₂ 降低、pH 增大」正確。","高海拔低氧→周邊化學受器(頸動脈體)偵測 PaO₂ 下降→刺激呼吸→過度換氣→PaCO₂ 下降;依碳酸平衡 CO₂+H₂O⇌H₂CO₃⇌H⁺+HCO₃⁻,CO₂ 減少使反應左移、H⁺ 下降、pH 上升,即呼吸性鹼中毒。代償:腎排出 HCO₃⁻ 使 pH 回穩(需數日,即高山適應一環)。口訣:換氣過度=吹掉酸(CO₂)=鹼中毒。",[25,28,31,33],{"term":26,"count":27},"呼吸性鹼中毒",3,{"term":29,"count":30},"過度換氣",1,{"term":32,"count":30},"二氧化碳分壓",{"term":34,"count":30},"碳酸平衡",[36,40,45,49,54,59],{"webId":37,"stem":38,"number":39,"year":10,"session":11},"nurse-106-2-basic-medicine-031","在紅血球中，下列何者是催化二氧化碳與水結合形成碳酸最重要的酵素？",31,{"webId":41,"stem":42,"number":43,"year":44,"session":30},"nurse-107-1-basic-medicine-047","下列甲狀腺病變中，何者的細胞核呈現出毛玻璃樣（ground-glass）的變化，且有明顯的核溝（nuclear groove）？",47,107,{"webId":46,"stem":47,"number":48,"year":44,"session":11},"nurse-107-2-basic-medicine-061","關於催產激素 oxytocin 的敘述，下列何者錯誤？",61,{"webId":50,"stem":51,"number":52,"year":53,"session":30},"nurse-109-1-basic-medicine-019","蛋白質醣基化（glycosylation）主要發生在那個步驟？",19,109,{"webId":55,"stem":56,"number":57,"year":58,"session":30},"nurse-110-1-basic-medicine-063","下列何者的藥理作用機轉是抑制細胞內微小管（microtubule）的聚合，並具有較低的骨髓抑制作用？",63,110,{"webId":60,"stem":61,"number":62,"year":63,"session":11},"nurse-111-2-basic-medicine-017","有關突觸後電位（postsynaptic potentials）的敘述，下列何者正確？",17,111,"2026-09-04",1788510696389]