Hello! I am a German student, who is currently writing his thesis about a quality comparision in nursing homes between Germany and the US. I have one question concerning this matter: I read in a book, that for cost reasons RNs are more and more substituted by LPNs in these days. This passage in the book confused me a bit, cause I thought, all nurses have to be qualified through the RN certification process. Can someone here describe this a little more to me? Why do you have the RN certification, when this is not also minimum standard for becoming a job? It would be also interesting to know, if someone here can give me a source where I can find the minimum legal criterias a nurse has to fulfill in order to become nurse (on a national basis). Thanks a lot! Cheers, Burkhard