護理師教導病人居家消防安全。在氧氣使用環境中，下列哪些項目會構成火災風險？（選所有適合的）

核心概念：富氧環境下的消防安全，特別是家用氧氣使用時的注意事項。 為何正確答案對： A. 羊毛毯（Wool blankets）：羊毛是一種天然纖維，但其纖維結構容易產生靜電（static electricity）。在富氧環境中，微小的靜電火花就可能引燃氧氣，進而引發火災。因此，應避免使用羊毛製品。 C. 石油基底乳液（Petroleum-based lotions）：凡士林（Vaseline）等石油基底的產品是易燃物（flammable materials）。氧氣能加速燃燒過程，若此類乳液接觸到高濃度氧氣，即使是微小的火源（如靜電、火花）也可能導致其迅速燃燒，造成嚴重傷害。 D. 合成纖維衣物（Synthetic fabric clothing）：許多合成纖維，如尼龍（nylon）、聚酯纖維（polyester），在摩擦時容易產生靜電。靜電放電產生的火花在高濃度氧氣環境中是潛在的火源。 E. 抽菸用品（Smoking materials）：這包括香菸、打火機、火柴等。抽菸本身就是火源，在高濃度氧氣環境中，任何火源都極度危險，可能導致火勢瞬間擴大，引發嚴重火災。 為何其他選項錯： B. 電動刮鬍刀（Electric shavers）：現代的電動刮鬍刀通常設計為密封式馬達，並有安全隔離，不易產生直接火花。雖然理論上任何電器在故障時都有短路風險，但相較於直接火源、易燃物或易產生靜電的材質，電動刮鬍刀被認為是相對安全的。除非有明顯損壞或使用不當，否則不被視為主要的火災風險。 臨床思路：此題考量「安全與感染控制」（Safety & Infection Control）領域，特別是居家照護中的風險預防。氧氣本身不燃燒，但它是強力的助燃劑（oxidizer），能使可燃物燃燒得更快、更猛烈。因此，在高濃度氧氣環境中，應盡量減少所有潛在的火源和易燃物，並避免產生靜電。評估的優先順序是識別並排除最直接、最常見的火災風險。 台美差異：在台灣，家用氧氣的使用相對不如歐美國家普及，且相關安全宣導可能較不全面。美國對於家用氧氣使用有嚴格的安全指南，強調避免使用特定材質（如羊毛、尼龍）的衣物或寢具，並禁止在氧氣使用環境中吸菸或使用明火。台灣的居家照護中，若病人使用氧氣，護理師同樣會強調避免火源，但對靜電和特定材質的警示可能需要加強。

Core concept: fire safety in an oxygen-enriched environment, especially precautions when using home oxygen. Why the correct answers are right: A. Wool blankets: Wool is a natural fiber, but its fiber structure readily produces static electricity. In an oxygen-rich environment, even a small static spark can ignite oxygen and start a fire. Wool products should therefore be avoided. C. Petroleum-based lotions: Products such as petroleum jelly (Vaseline) are flammable. Oxygen accelerates combustion, and if these lotions contact a high concentration of oxygen, even a small ignition source (such as static or a spark) can cause them to burn rapidly and produce serious injury. D. Synthetic fabric clothing: Many synthetic fibers, such as nylon and polyester, generate static electricity through friction. The discharge of static electricity creates sparks that are potential ignition sources in a high-oxygen environment. E. Smoking materials: This includes cigarettes, lighters, and matches. Smoking is itself an ignition source, and in an oxygen-rich environment any source of fire is extremely dangerous and can rapidly cause a large fire. Why the other option is wrong: B. Electric shavers: Modern electric shavers are typically designed with sealed motors and safety insulation and rarely produce direct sparks. Although theoretically any electrical device can short-circuit if defective, electric shavers are considered relatively safe compared with direct ignition sources, flammable substances, or materials that readily generate static. Unless they are obviously damaged or used improperly, they are not regarded as a major fire risk. Clinical reasoning: This question addresses the safety and infection control domain, particularly home-care risk prevention. Oxygen itself does not burn, but it is a powerful oxidizer that makes combustible materials burn faster and more intensely. Therefore, in an oxygen-rich environment, all potential ignition sources and flammable materials should be minimized and static generation avoided. Assessment priorities focus on identifying and eliminating the most direct and common fire risks. Differences between Taiwan and the United States: In Taiwan, home oxygen use is less widespread than in many Western countries, and related safety education may be less comprehensive. The United States has strict safety guidelines for home oxygen, emphasizing avoidance of certain fabrics (such as wool and nylon) for clothing or bedding and prohibiting smoking or the use of open flames in oxygen-use environments. In Taiwan, when a client uses oxygen at home, the nurse similarly emphasizes avoiding fire sources, but warnings regarding static electricity and specific materials may need to be reinforced.

在台灣，家用氧氣的使用不如美國普遍，民眾對富氧環境的潛在危險（如靜電、特定材質易燃性）認知可能較不足。美國有嚴格的家用氧氣安全指南，強調避免使用羊毛、合成纖維製品，並嚴禁在氧氣使用環境中抽菸。台灣護理師在進行居家氧氣安全指導時，應加強對這些細節的說明，以符合國際安全標準。