The Elements of Nursing The theory The Elements of Nursing was put together by Nancy Roper, Winifred W. Logan and Alison J. Tierney. This theory uses a set of twelve activities of living (AL’s), based on every person: healthy, sick, or dying. These twelve AL’s are considered a “model of living” (2014). The purpose of this model is for nurses to refer to, to make sure every patient receives the appropriate care, and is living a life that they are meant live. The Twelve Activities of Living The twelve AL’s are as follows: Maintaining a safe environment; breathing; communicating; mobilizing; eating and drinking; eliminating; personal cleansing and dressing; maintaining body temperature; working and playing; sleeping; expressing sexuality; death…