第1题: [单项选择]手术区皮肤消毒范围应包括切口周围 A. 5cm B. 10cm C. 15cm D. 20cm E. 25cm 参考答案:C 答案解析:[解析] 手术区皮肤消毒的目的是消灭切口处及其皮肤上的细菌,预防切口感染。要求:无菌手术切口由手术中心向四周涂擦;感染伤口或肛门处手术,由手术外周向感染伤口或肛门处涂擦,皮肤消毒的范围必须超出手术切口
第17题: [单项选择]The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found that he had put his socks on ______ A. outside B. inside out C. side out D. back out 参考答案:B