盘内配线应选用什么规格的线材？
参考答案：
导线应选取1.5mm2的单股硬铜线或1.0mm2的多股软铜线。
急性呼吸窘迫综合征的最基本的病理改变是（）
A.低氧血症
B.酸中毒
C.肺泡内及间质水肿
D.血管通透性增高
E.肺泡表面活性物质缺失
The client with a head injury receives mannitol (Osmitrol) during surgery to help decrease intracranial pressure. Which of the following nursing observations would most likely indicate that the drug is having the desired effect
A．Urine output increases.
B．Pulse rate decreases.
C．Blood pressure decreases.
D．Muscular relaxation increases.
