Biological theories of aging involve changes on molecular, ...

[deesands]

Biological theories of aging involve changes on molecular, cellular, and systemic levels. Influences on biological changes include:
 
  1. The environment, nutrition, and stress
  2. Caregiver role strain
  3. The number of crises a person has had in his or her lifetime
  4. The ability to make choices

Question 2

The public health nurse who aims to change behaviors such as poor hand washing skills and unsafe sex practices is acting in the role of:
 
  1. Case manager
  2. Advocate
  3. Educator
  4. Role model

[blakcmamba]

Answer to Question 1

1
Ingestion or contact with many substances can cause unhealthy biological changes leading to poor health.

Answer to Question 2

3
The public health nurse who aims to change behaviors such as poor hand washing skills and un-safe sex practices is acting in the role of educator.

[deesands]

Thanks for the timely response, appreciate it

[juliaf]

Great answer, keep it coming