Nursing theories are used for describing; developing, disseminating and they use present day knowledge in nursing. There are various nursing theories that are used by nurses as a guide to their day-to-day practice in nursing. This paper will look give views on theory-driven and evidence based of tow nursing theories. One of these theories is the self-care theory by Dorothea Orem. The major concept in this theory is an art through which the nursing practitioner gives assistance that is specialized to individuals with disabilities that makes more than ordinary assistance necessary for meeting the needs for self-care. Self-care requirements are actions that are directed towards providing self-care presented in three categories; universal self-care requisites, development self-care requisites and health deviation self-care requisites.

There are various assumptions that were made in this theory such as people have to be self-reliant and responsible when it comes to their own care as well as others within the family needing care. It also assumes that people are distinct individuals and nursing is a form of action that involves an interaction between two or more people. Another...

There is also an assumption that an individual's knowledge of potential health problems is an important thing when it comes to the promotion of self-care behaviors (Gonzalo, 2011).
This theory is applicable for nursing by those beginning the practice as well as the advanced people. In this theory nursing is needed when a person can not maintain continuously the amount and quality of self-care that is required to sustain life and health recover from an injury or disease or cope with the effects from illnesses or injuries.

Another nursing theory is the need theory by Virginia Henderson. The background of the theory was emphasis the importance of increasing the independence of a patient in order for progress after hospitalization not to be delayed. It aims at assisting individuals in gaining independence in relation to performance of activities that contribute to their health or recovery. According to this theory the role of nurses is substitute, supplementary, complementary with the main aim of helping…