血清钠浓度正常范围是A．110～120mmol/L B．115～250mmol/L

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问题单项选择题

血清钠浓度正常范围是

A．110～120mmol/L

B．115～250mmol/L

C．120～140mmol/L

D．130～150mmol/L

E．150～155mmol/L

答案

参考答案：D

问答题简答题

某一类高层建筑中一、二、三层为商场，设有上下连通的自动扶梯。该商场内设有自动喷水灭火系统和自动火灾报警系统，但在自动扶梯处未采取防火分隔措施。

问题：对自动扶梯进行防火分隔的方法有哪些?

单项选择题

Which of the following is the most important aspect of nursing care in the postpartum period()

A. Supporting the mother’s ability to successfully feed and care for her neonate.

B. Providing group discussions on infant care.

C. Monitoring the normal progression of lochia.

D. Involving the family in the teaching.