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.
There are many different kinds of nursing degrees, such as associate, bachelor, master and doctorate degrees. Each of these programs prepare nurses for different types of careers in the health care industry. The two most common programs in nursing are an Associate of Applied Science and a Bachelor of Science. Both programs prepare students to take the registered nurse licensing exam called the NCLEX-RN, a required exam for anyone who wants to practice nursing in a specific state.