Tennessee Code Title 63. Professions of the Healing Arts § 63-21-101

(1) “Anesthesiologist” means a physician who is licensed pursuant to chapter 6 or 9 of this title and who has completed a residency in anesthesiology approved by the American Board of Anesthesiology or the American Osteopathic Board of Anesthesiology, or equivalent training in anesthesiology;

(2) “Anesthesiologist assistant” means a person who meets the requirements of § 63-21-103 and is board-approved to assist in the practice of medicine under delegation of an anesthesiologist;

(3) “Assists” means, in regard to an anesthesiologist assistant, that the anesthesiologist assistant personally performs those duties and responsibilities delegated by the anesthesiologist;

(4) “Board” means the board of medical examiners established by chapter 6, part 1 of this title;

(5) “Certification examination” means the initial certifying examination approved by the board for the certification of anesthesiologist assistants, including the examination administered by the National Commission for the Certification of Anesthesiologist Assistants or another national anesthesiologist assistant certifying agency that has been reviewed and approved by the board;  and

(6) “Supervision” means the availability of an anesthesiologist who can delegate, coordinate, direct, consult, or oversee the implementation of the anesthesiologist's intentions.