单选题
The nurse is caring for a client admitted to the hospital with a bowel obstruction. The nurse should wear sterile gloves when （）.
【正确答案】
A
【答案解析】Inserting an indwelling urinary catheter is the only sterile procedure listed here. Gloves aren't necessary when giving a back rub on intact skin or when changing an oxygen system. Nonsterile gloves would be worn when inserting an IV catheter.