脂溶性维生素主要来源于 __________ 和 __________ 。

偏头痛的发病与下列因素有关()

A．遗传因素

B．内分泌与代谢因素

C．情绪因素

D．气候变化

E．睡眠情况

财务管理部应设立兼职的采购稽核专员，对非战略供方采购或和个供方无战略协议价格（不含一体化超市）的零星物资采购，进行价格回访，并填写《物资供方回访表》，回访时间和样本量频次为不低于（）

A.1次/年，10%/次

B.2次/年，5%/次

C.1次/年，5%/次

D.2次/年，10%/次

A client in labor received an epidural anesthetic when her dilation reached 5 cm. Which of the following nursing diagnoses would have the highest priority for her at this time

A．Impaired skin integrity related to inability to move lower extremities.

B．Impaired urinary elimination related to the effects of the epidural.

C．Deficient knowledge related to lack of information about regional anesthesia.

D．Risk for injury related to hypotension secondary to vasodilation and pooling in extremities.

压力开关正常时为，异常报警时为（）

A、常闭状态，关闭状态

B、常闭状态，断开状态

C、常开状态，闭和状态

D、常开状态，断开状态