一位裝有留置性導尿管（Foley catheter）的72歲女性正從床上轉移至輪椅以進行 X 光檢查。護理師觀察到家屬為了不礙事，將裝有 600 mL 尿液的集尿袋直接放置在個案的大腿上。此外，引流管線在輪椅坐墊下形成了一個緊湊的「Ｕ型」垂墜死角。為了積極預防導尿管相關泌尿道感染 (CAUTI)，護理師必須立刻怎麼做？
A 72-year-old female with an indwelling Foley catheter is being transferred from her bed to a wheelchair for an X-ray. The nurse observes that a family member has placed the urine collection bag (which holds 600 mL of urine) directly on the client's lap to keep it out of the way. Additionally, the drainage tubing forms a tight 'U-shaped' dependent loop under the wheelchair cushion. To aggressively prevent a catheter-associated urinary tract infection (CAUTI), what must the nurse do immediately?
- AReassure the family that placing the bag on the lap is acceptable during short transports as long as the drainage valve is closed.向家屬保證，只要在轉移期間關閉引流閥，將集尿袋放在大腿上是可接受的。
- BImmediately move the collection bag to a position strictly below the level of the client's bladder and straighten out the tubing.✓ 正解立即將集尿袋移至嚴格低於病人膀胱的位置，並將引流管拉直。
- CEmpty the collection bag entirely, then flush the catheter aggressively with 50 mL of sterile saline.完全排空集尿袋，然後用 50 mL 的無菌生理食鹽水強力沖洗導尿管。
- DClamp the catheter tubing tightly before taking the bag off her lap to prevent the urine from spilling.在將集尿袋從其大腿上移開前，緊夾導尿管管路以防止尿液溢出。
本題測驗基礎照護的絕對禁忌：預防導尿管相關尿路感染 (CAUTI)。維持泌尿系統無菌的最基礎物理原理就是「單向的重力引流（Gravity drainage）」。充滿細菌的老舊尿液儲存在集尿袋中。若將尿袋放置於「高於病患膀胱（Above the bladder level）」的位置（如放在大腿上），會導致陳舊尿液直接倒灌回無菌的膀胱，這是引發致命敗血性泌尿道感染最直接的推手。因此，尿袋必須「隨時、永遠」保持在膀胱水平點之下。同時，管線不可形成Ｕ型垂墜死角（Dependent loop），這會積聚滯留的尿液並阻擋膀胱排空。選項B（移到膀胱下並理順管線）是唯一的正確處置。選項D的夾住管線（Clamping）會增加感染風險且無必要；選項C的強行沖洗（Flushing）除非因血塊阻塞否則絕非常規，它會破壞封閉系統而引進細菌；選項A的安撫是極端錯誤的衛教，短暫的運送時間倒流就足以引發致命感染。
The nurse must immediately reposition the urine collection bag below the level of the client's bladder to maintain gravity drainage and prevent retrograde flow of infected urine. Keeping the tubing straight ensures proper function and significantly reduces the risk of catheter-associated urinary tract infections (CAUTI).
全球護理院所最基礎的感控(Infection Control)鐵律。「尿袋絕不可高過膀胱」是所有護生實習第一天的第一堂課，完全無國界差異。