The RN designation is simply a certification that a nurse has completed necessary education. Certification varies by state, but generally speaking, there's a standardized test. Various designations by state licensing boards define the extent/limits of medical practice that those with RN, LPN or other designation may legally undertake. The RN is generally broader in scope than LPN (licensed practical nurse).
There was a time, way back when, when nursing education included a residency program at a hospital. This in no longer the case, something my Mom (a career RN who later earned her Bachelor of Science degree in Nursing) is quite bitter about.
Nursing education in the US is usually via 2-year college programs. And to answer your question, an "unregistered nurse" would probably refer to non-degreed "nursing assistants" who have very limited scope of permissible practice.
There's a decent wiki article under "registered nurse"...
There was a time, way back when, when nursing education included a residency program at a hospital. This in no longer the case, something my Mom (a career RN who later earned her Bachelor of Science degree in Nursing) is quite bitter about.
Nursing education in the US is usually via 2-year college programs. And to answer your question, an "unregistered nurse" would probably refer to non-degreed "nursing assistants" who have very limited scope of permissible practice.
There's a decent wiki article under "registered nurse"...
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