Final answer:
The purpose of the Nurse Practice Act is to define the scope of practice for registered nurses in each state.
Step-by-step explanation:
The purpose of the Nurse Practice Act in each state is to define the scope of practice for registered nurses. These laws are created by each state to regulate the nursing profession and ensure the safety and well-being of patients. The Nurse Practice Act outlines the specific responsibilities, limitations, and requirements for nursing practice within the state.