A hematoma is a larger collection of blood, usually caused by surgery, injury, or a greater trauma. Hematomas will usually reabsorb into the body, like a bruise. However, depending on the size, location and cause of the hematoma, the area may need to be drained surgically, or take a longer period of time to resolve.
Registered nurse. A Registered Nurse (RN) is a nurse who has graduated from a nursing program and met the requirements outlined by a country, state, province or similar licensing body in order to obtain a nursing license. An RN's scope of practice is determined by legislation, and is regulated by a professional body or council.
Top 10 facts about the world. RN is an abbreviation for registered nurse. An RN is a nurse that has completed a course of study and passed the proper examinations to become licensed and registered. Although there are more RNs than any other type of nurse in the U.S., there is still a great need for more registered nurses. This is often referred to as a nursing shortage.