Final answer:
The Nurse Practice Act clearly defines the scope of practice for nurses; it does not address pay raises, vacation time, or defend any action a nurse may take.
Step-by-step explanation:
The Nurse Practice Act is crucial legislation that guides the nursing profession. Of the options provided, the statement that indicates an understanding of the Nurse Practice Act is: b. "The nurse practice act defines the scope of practice for each level of licensure." This act outlines the legal framework within which nurses must operate, the roles they are permitted to fulfill, and the minimum standards for nursing education and licensure. It does not, however, address things like pay raises, vacation time, or defending any action a nurse may take, as these aspects typically fall under employment policies or other regulations.