The authority for 
the  practice of nursing is based
upon a social contract that delineates professional rights and responsibilities
as well as mechanisms for public 
accountability.  In almost all
countries, nursing practice is defined and governed by law  and entrance 
to   the  profession is regulated   at the national or state level. 
The aim of the nursing community worldwide is for its
professionals to ensure quality care for all. 
While maintaining their credentials, code of ethics, standards, and  competencies, and
 continuing their education.
There   are number of educational paths
to becoming   a professional nurse,
which  vary greatly worldwide, but all
involve extensive study of nursing theory and practice, and training in
clinical skills. 
Nurses are for individuals  of all 
ages and cultural backgrounds who are healthy  and ill in a holistic manner based on the
individuals physical, emotional, psychological ,  intellectual, social , and spiritual needs.  The profession combines physical science,
social  science, nursing theory,  and 
technology in caring for those  
individuals.
A licensed practical nurse (LPN)  also refereed 
to as a licensed vocational nurse, registered practical nurse. Enrolled
nurse,   and state  enrolled nurse) works independently or
with  a registered nurse. A registered
nurse (RN)  provided scientific,
psychological, and  technological
knowledge in the care  of  patients and families in many health care
settings.  Registered nurses may also
earn additional credentials or degrees. 
Nurses  may
follow their personal and professional interest by working with  any grouped of people, in any setting, at any
time. Some   nurses follows the
traditional role of  working in a
hospital setting. Around the world, nurses have been traditionally female.
Despite  equal opportunity and legislation
nursing has continued to be a female  
dominated profession (Lucia 2009)