疾病的三间分布包括（）

A.年龄、性别和种族

B.职业、家庭和环境

C.国家、地区和城乡

D.短期波动、季节性和周期性

E.时间、地区和人群分布

The nurse is preparing the client with heart failure to go home. Which of the following should be most important to include in the discharge education

A．Monitor urine output daily.

B．Monitor daily potassium intake.

C．Maintain bed rest for at least 1 week.

D．Weigh daily.