Professional Nursing Practice C304 Professional Roles and Values Task 1 WGU Professional Nursing Practice A. There is one nursing theory that all nurses who practice today use so frequently that they would probably think that it has always been a part of nursing practice. Dr. Madeleine Leiningers theory of Transcultural Nursing was developed in the 1950s but only published in 1990 [CITATION Mad16 \l 1033 ]. Nurses use this theory every day. It is unthinkable in healthcare today to implement a plan of care without consideration for the patients culture. Transcultural nursing is a basic consideration in planning care for any patient in my facility. Cultural considerations are made for all aspects of the patients care; nutritional, spiritual, visitation and end of life to name a...