In Ontario, nursing is one profession with two categories of care providers – Registered Nurses (RNs) and Registered Practical Nurses (RPNs).   Registered Nurse (RN)An individual who has been recognized and registered by the College as a Registered Nurse. Although all nursing students learn from the same body of nursing knowledge, RNs study it in greater depth and over a longer period of time than RPNs.    Registered Practical Nurse (RPN)individual who has been recognized and registered by the College as a Registered Practical Nurse.Also read here:http://www.differencebetween.net/science/health/difference-between-rn-and-rpn/