采供血机构和临床用血医院，需对员工进行职业培训和继续教育工作，其中（）。

A.首先需要制定继续教育和培训计划

B.通过学习掌握输血基本知识、基本理论、基本技能和输血行业的法律法规要求

C.经过不少于75学时的培训学习即可允许上岗，并在工作文件或记录上签字

D.血站工作人员每人每年应当接受不少于75学时的岗位继续教育

E.员工必须接受拟任岗位职责相关文件、实践技能和相关签名的工作程序以及法律责任的培训

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.