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问题 单项选择题 A1型题

放射性活度的旧单位是（）。

A.伦琴

B.居里（Ci）

C.库仑

D.贝可（Bq）

E.库仑／千克

答案

参考答案：B

解析：放射性活度的旧单位是居里（Ci），1居里表示1秒内发生3.7×1010次核衰变。

单项选择题

A 19-year-old primigravida is admitted to the labor and delivery unit in labor. She’s 2 cm dilated and 50% effaced, and the fetal head is at 0 station. She’s having moderately p 40-second contractions every 5 minutes. She seems rather anxious and becomes very tense during each contraction. When the client asks for pain relief, what should the nurse do next ？（）

A．Determine the source of her anxiety and institute interventions to help her relax.

B．Immediately check the physician’s order and give her the analgesic ordered.

C．Inform her that the neonate’s head isn’t down far enough just yet but that, as soon as it is, medication will be given.

D．Tell her that her contractions are only moderately p and that she should wait until later to take medication.
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单项选择题

坚持党的基本路线不动摇，关键在于坚持（）不动摇。

A．党的基本纲领

B．四项基本原则

C．“一个国家，两种制度”

D．以经济建设为中心
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