A nurse manager is walking down the hall and overhears the n…

A nurse manager is walking down the hall and overhears the nurse practitioner attempting to convince a patient to agree to a procedure. The nurse manager steps into the patients room and asks to speak with the nurse practitioner. The nurse manager and the nurse practitioner step into the hallway where the nurse manager reinforces that the patient has a right to make medical decisions without provider influence, which is ethically enforced under what principle?