Don't they have enough responsibilities as they function now?
Since this is not my area of expertise, I started by searching Google under the key words "nurse responsibilities" to get these possible sources:
(Broken Link Removed)
You can do similar searches for the other providers.
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
Thanks for asking. I hope this helps.