The LPN works under the direction and supervision of the registered nurse and displays knowledge and ability in providing a full range of practical nursing care to patients with a variety of physical and/or behavioral problems. The LPN serves as a responsible member of the nursing team and interacts with patients, family members, professional and supportive personnel who provide patient care, and with members of other services. Citizenship. Citizen of the United States. (Noncitizens may be appointed when it is not possible to recruit qualified citizens in accordance with chapter 3, section A, paragraph 3g, this part.) b. Education. Graduate of a school of practical or vocational nursing approved by the appropriate State [ ] agency and/or [accredited by] the National League for Nursing [Acc