Neither is necessarily "better" then the other, but a registered nurse does have more schooling and often is allowed more nursing abilities by the Board of Nursing.
a registered nurse license issued by the state board of nursing from the state/states in which he/she practices
A registered nurse earns between $45 and $60 per hour in the Orange county of California. This translates to more than $2000 per week.
Advanced registered nurse practitioner, board certified (by ANCC).
Contact your state's licensing board for a full explanation.
The salary is 9000 to 8900
This will often depend upon the Nursing authority or Board of Nursing in your area but as a whole - registered nurses are allowed to work on their own depending upon the duties preformed whereas LPN/LVN's are required to work under a doctor, a registered nurse, or an advanced practice nurse.
The average wage of an RN in California is 25-33 dollars an hour.
Registered Nurse in NZ
Here is a list of jobs from the popular job search site Monster: http://jobsearch.monster.com/California/Registered-Nurse/get-jobs-15.aspx
Yes you do have to have a internship to be a registered nurse.
Requirements for licensure vary by State. Contact your State's board of nursing for details.