Implementing Evidence Based Practice nursing using the PDSA model: Process, lessons and implications Author links open overlay panel Katowa-Mukwato Patricia a Mwiinga-Kalusopa Victoria a Chitundu Kabwe a Kanyanta Micheal a Chanda Dorothy c Mbewe Mwelwa Martha a Ruth Wahila a Mundia Petronella d Carrier Judith b Chapter 23 Legal Implications in Nursing Practice Objectives • Explain the legal concept of standard of care. • Discuss the nurse's role in witnessing the informed consent process. • Describe the legal responsibilities and obligations of nurses regarding the following federal statutes: Americans with Disabilities Act (ADA), Emergency Medical Treatment and Active Labor Act (EMTALA.