護理師準備為中央靜脈導管進行無菌敷料更換，下列何項動作符合無菌技術？
A nurse is preparing to perform a sterile dressing change on a central venous catheter. Which action demonstrates proper sterile technique?
- AReaching over the sterile field only if wearing sterile gloves僅在戴無菌手套時方可跨越無菌區
- BPlacing sterile items within the outer 1-inch border of the sterile field將無菌物品放置在無菌區外圍 1 英吋範圍內
- COpening the sterile drape by pulling the edges toward the body✓ 正解透過將邊緣拉向身體的方式開啟無菌單
- DKeeping sterile items below waist level將無菌物品保持在腰部以下
執行無菌技術（Sterile technique）時，必須嚴守無菌區域（Sterile field）的完整性。開啟無菌包裝時，為了避免手臂跨越無菌區造成污染，應先拉開遠端，再拉兩側，最後拉向自己。無菌區的邊緣 1 英吋被視為已污染區域，物品必須置於此範圍內，且所有無菌物品必須維持在腰部以上，以免視線死角導致污染。
When performing sterile technique, the integrity of the sterile field must be strictly maintained. When opening a sterile drape, to avoid contaminating the sterile field by reaching across it, open the far flap first, then the sides, and finally the flap closest to the body. The outer 1-inch border of the sterile field is considered contaminated, items must be placed within this boundary, and all sterile items must be kept above waist level to avoid contamination from blind spots.