题目：
Which procedure or practice is associated with surgical asepsis（）
A. Hand washing.
B. Nasogastrie (NG) tube irrigation.
C. Colostomy irrigation.
D. IV catheter insertion.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：D解析：Alzheimer’s disease is the most common cause of dementia in the elderly. Approximately 10% of people over age 65 have Alzheimer’s disease; about ...
