— 健康促進與維護 · EASY · MCQ —
校護在教導小學生衛生習慣。對於預防校園感染，下列哪個觀念最重要？
A school nurse is teaching hygiene to elementary students. Which concept is most important for preventing the spread of infection in a school setting?
- AWearing a mask during recess在休息時間戴口罩
- BProper hand hygiene technique✓ 正解適當的手部衛生技術
- CUsing hand sanitizer every hour每小時使用酒精乾洗手
- DAvoiding all physical contact with classmates避免與同學有任何肢體接觸
— Explanation · 中文詳解 —
洗手（Hand hygiene）是中斷感染鏈（Chain of infection）中最簡單且有效的防禦機制。校園中病原體常透過接觸污染表面再接觸眼鼻口傳播，正確洗手能物理性移除病菌。手部酒精雖然方便，但無法取代洗手在去除某些非包膜病毒（如諾羅病毒）的效果。避免接觸或戴口罩在校園環境中較難落實且非最核心手段。
A PTT of 120 seconds is significantly above the therapeutic range for heparin therapy, indicating a high risk of hemorrhage. The priority nursing action is to stop the infusion immediately to prevent further anticoagulation and notify the healthcare provider for evaluation and potential reversal.