膈封闭胸廓下口，在其收缩时，胸腔容积减小，引起呼气。（）

During afternoon rounds, the nurse finds a male client using a pencil to scratch inside his knee-to-toe cast. The client is complaining of severe itching in the ankle are

a. Which action should the nurse takeA. Allow him to continue to scratch inside the cast with a pencil.B. Give him a sterile metal object to use for scratching instead of the pencil.C. Encourage him to avoid scratching, and obtain an order for diphenhydramine (Benadryl) if severe itching persists.D. Obtain an order for a sedative, such as diazepam (Valium), to prevent him from scratchin

以下是1917——1921年《新青年》的主题统计，由此可以得出的正确结论是

A、马克思主义逐步成为当时中国思想界的一股强大思潮

B、马克思主义在中国传播的唯一途径是报刊

C、为《新青年》撰写文章的都是马克思主义者

D、《新青年》最关心的主题是西方习俗礼仪

长期医嘱的有效时间是（）

A.24小时以内

B.24小时以上

C.1周以上

D.1个月以上

E.12小时以内

判断先兆临产，相对可靠的是（）。

A.宫缩频繁

B.见红

C.胎儿下降感

D.有排便感

E.宫缩加强

每天太阳一定从东方升起．______．