[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-114-3-basic-medicine-019":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"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-114-3-基礎醫學-019","nurse-114-3-basic-medicine-019",114,3,19,"關於氣體擴散（diffusion）的描述，下列何者正確？",{"A":15,"B":16,"C":17,"D":18},"氣體壓力與氣體濃度無關","氣體分子藉隨機運動穿過呼吸膜進行擴散","氧氣擴散速率比二氧化碳快","呼吸膜厚度的增加不影響氣體擴散速率","B",null,[],"本題考點在於氣體擴散的基本原理與影響因子。氣體分子藉隨機的熱運動由高分壓往低分壓區淨移動、穿過肺泡呼吸膜完成擴散,故B正確。A錯:氣體分壓與其濃度(溶解量)直接相關,依亨利定律溶解量正比於分壓。C錯:雖然氧的分子量較小,但二氧化碳在水中溶解度約為氧的20倍,依格雷姆與費克定律其擴散速率反而比氧快。D錯:依費克定律擴散速率與膜厚度成反比,呼吸膜增厚(如肺水腫、肺纖維化)會降低擴散速率,故三者皆錯。","費克擴散定律:速率∝(面積×分壓差×溶解度)\u002F(膜厚度×√分子量)。臨床上肺纖維化或肺水腫使膜變厚、肺氣腫使面積變小,都造成擴散障礙,而且因CO₂擴散快,擴散障礙初期常先出現低血氧、CO₂仍能排出。記『分壓差是動力、膜厚與分子量是阻力、溶解度幫CO₂加速』。",[25,28,30,32],{"term":26,"count":27},"費克擴散定律",1,{"term":29,"count":27},"分壓與溶解度",{"term":31,"count":27},"呼吸膜厚度",{"term":33,"count":27},"二氧化碳擴散速率",[35,39,45,50,55,60],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-114-3-basic-medicine-020","下列那種神經傳遞物質，對平滑肌細胞最可能會產生興奮性或抑制性作用？",20,{"webId":40,"stem":41,"number":42,"year":43,"session":44},"nurse-115-2-basic-medicine-016","有關自主神經系統對心臟的影響，下列敘述何者正確？",16,115,2,{"webId":46,"stem":47,"number":48,"year":49,"session":27},"nurse-106-1-basic-medicine-060","下列何種抗胃潰瘍藥物有抑制肝臟細胞色素 P450（cytochrome P450）的作用？",60,106,{"webId":51,"stem":52,"number":53,"year":54,"session":44},"nurse-107-2-basic-medicine-018","下列何種毒素會抑制乙醯膽鹼酯酶（acetylcholinesterase, AChE）？",18,107,{"webId":56,"stem":57,"number":58,"year":59,"session":44},"nurse-108-2-basic-medicine-062","leucovorin 與下列何種抗癌藥物同時使用，可以減低抗癌藥物的不良副作用？",62,108,{"webId":61,"stem":62,"number":42,"year":63,"session":27},"nurse-110-1-basic-medicine-016","下列何者包覆陰蒂（clitoris），形成陰蒂的包皮（prepuce of clitoris）？",110,"2026-09-04",1788510761085]