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问题 单项选择题

下列四种养老金费用分摊方式中最为普遍的是（）。

A.雇员和雇主双方集资

B.雇主和国家分担

C.完全由雇员个人负担

D.雇主、雇员和国家三方共同负担

答案

参考答案：D

单项选择题

临床计算渗透浓度的条件应为()

A．Na、BUN、血糖

B．Na、Cl、血糖

C．K、Na、Cl

D．Na、K、Ca

E．BUN、血糖、HCO
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单项选择题

A 9-month-old, well-nourished boy who lives with his extensive extended family tests positive for tuberculosis. Which of the following is a risk factor for tuberculosis in this client

A．Male sex.

B．The infant is in the 95th percentile for height and weight.

C．His mother did not receive prenatal care until the second trimester of her pregnancy.

D．Age.
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