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问题 单项选择题

按照凯恩斯的贷币需求理论，在国内有效需求不足时，调控当局可以( )。

A．提高利率

B．降低利率

C．收紧银根

D．实行单一规则的货币政策

答案

参考答案：B

单项选择题

Which one of the following clients is at the greatest risk for aspiration

A. A stroke client with dysarthria.
B. An ambulatory client with Alzheimer’s disease.
C. A 92-year-old client who needs help with activities of daily living (ADLs).
D. A client with severe, deforming rheumatoid arthritis.
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单项选择题

琼脂糖免疫扩散试验中所用琼脂糖浓度为（）。

A.2%

B.0.2%

C.20%

D.0.05%
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