# 護理師正準備無菌處置。請點選造成無菌區污染的部位。

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=499734&lang=zh-tw  
> language: zh-TW  
> subject: Standard/Transmission-Based Precautions/Surgical Asepsis  
> category: SIPC

## 題目

護理師正準備無菌處置。請點選造成無菌區污染的部位。

![](https://mymerci.kr/data/nclex/hotspot/v4/v4_sterile_field.png)

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Original NCLEX Hotspot clinical education asset. Keep all options equally prominent; never add an answer marker, circle, arrow, highlight, title, or watermark.
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## 解析

裸手與手錶接觸無菌區。非無菌皮膚與飾品會污染無菌用品，必須重新建立無菌區。

## 深入解析

快速解答
一隻未戴手套的手和手錶正接觸到無菌區域（sterile field）。未消毒的皮膚和飾品會污染無菌物品，因此必須更換該無菌區域。

為何這是正確的
未戴手套的手和手錶是未經消毒的。與無菌區域接觸會污染無菌物品，因此該區域不能再被視為無菌。

簡單類比或聯想畫面
將無菌區域想像成一個完整的邊界：一旦一個未消毒的物品跨越並觸碰到它，即使接觸區域看起來乾淨，邊界也已被破壞。

記憶掛鉤
裸露的皮膚和手錶碰到無菌區域，就會污染該區域。

NCLEX 決策規則
當任何未消毒的皮膚、飾品或物品接觸到無菌區域時，應辨識出污染情況，並根據無菌技術更換受影響的物品。

為何其他選項是錯的
無菌手套、彎盆和鋪單是預期中會有的物品；在沒有邊界被破壞的證據下選擇它們，會錯過污染事件。參考資料

- [1]CDC：感染控制與外科無菌技術資源

## 臨床情境

臨床情境
護理師正在準備一項無菌程序。

護理師應注意事項
一隻未戴手套的手和手錶正接觸到無菌區域。未消毒的皮膚和飾品會污染無菌物品，因此必須更換該無菌區域。

轉換到實務
當任何未消毒的皮膚、飾品或物品接觸到無菌區域時，應辨識出污染情況，並根據無菌技術更換受影響的物品。

## 重要概念

- **Sterile field** — 一個準備好並旨在保持無微生物的區域。
- **Contamination** — 將未消毒的物品或微生物帶入無菌區域。

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