网络用户经过授权后可以访问其他计算机硬盘中的数据和程序,网络提供的这种服务称为_________服务。
参考答案：文件
男性，58岁。右上腹胀痛3个月伴黄疸半月余。体检：肝肋下3cm，剑突下4cm，质硬，移动性浊音（+）。
有助于确诊的检查是（）。
A.B超
B.腹部CT
C.X线检查
D.肝功能检查
E.肝穿刺针刺细胞等检查
A client is diagnosed with a herniated lumbar disk at the L-5 interspace. Which of the following symptoms would most likely be the one that first caused the client to seek health care
A．Loss of voluntary muscle control.
B．Loss of bladder control.
C．Back pain that is relieved with resting.
D．Back pain that radiates to the shoulders.
