The incumbent demonstrates the knowledge and ability to successfully perform the following duties within the scope of Respiratory Care. A Respiratory Therapist may perform other duties, both major and minor, that are not mentioned below. Essential functions may change from time to time to reflect the current trends within the field of respiratory therapy, and to meet the cardio-pulmonary needs of the patients served. BASIC REQUIREMENTS. To qualify for appointment as an RRT, all applicants must possess the following: Citizenship. Citizen of the United States (U.S.). Non-citizens may be appointed when it is not possible to recruit qualified citizens in accordance with chapter 3, section A, paragraph 3g, of this part. See 38 U.S.C. § 7407(a) for more information. Education. Individuals must h