Share. By Regina Bailey. Definition: The cell membrane is a thin semi-permeable membrane that surrounds the cytoplasm of a cell, enclosing its contents. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell, while keeping other substances out.
An Associate RN, or registered nurse, is one who has achieved an Associate's Degree in nursing and works in patient care and education. Associate RNs also assist in patient care evaluations and discharge planning once patients are ready to return home. The nursing profession accounts for more jobs than any other occupation in the health care industry and is expected to continue growing over the next several years.
An associate's degree in nursing or a nursing diploma is required to practice as a registered nurse, but entry to a program is based on a few things. 1  Minimum SAT or ACT exam scores. 2  GPA range between 2.0 and 3.25 (check your specific school's requirements). 3  3 years of math, including geometry and algebra II.egistered nurses (RNs) are required to have a minimum of an associate's degree, but bachelor's degrees in nursing (BSN) are also available and can help an RN's chances to earn better pay. Weigh your school options based on your current educational needs and timetable.