通信协议包括了通信过程的说明,规定了应当发出哪些控制信息、完成哪些动作以及做出哪些应答,并对发布请求、执行运作以及返回应答予以解释。这些说明构成了协议的()。
参考答案:语义
对改善早期肺气肿症状具有重要意义的措施是
A.体位引流
B.戒烟
C.呼吸功能锻炼
D.去除外界刺激因素
E.预防呼吸道感染
The nurse is caring for a client who undergoes a total right knee replacement. The nurse would anticipate which of the following activity orders for this client on the first postoperative day
A.Bed rest for 24 to 48 hours after surgery.
B.Ambulate with walker twice a day.
C.Up to chair with leg elevated.
D.Dangle at bedside for 20 minutes.