Robert has recently graduated from a NP program. During a job interview for an organization that has clinical sites in multiple states, he is asked questions about NP practice issues. Which of the following is accurate?A. Once I am nationally certified, I am also licensed to practice as an NP.B. Once I am a certified NP and licensed to practice in one state, I will be able to practice in every state.C. From state to state, NP practice acts are largely standardized.D. NPs must obtain st...