1.What is the relationship of asbestos to asbestosis-- a long-term inflammation and scarring of the lungs due to inhalation asbestos fibers -- which occurs in some people who are exposed to asbestos?

2.Asbestos is a:

3.

4.a.Necessary cause

5.b.Outcome

6.c.Sufficient cause

7.d.Effect measure modifier

8.e.Confounder