(A) Nothing in this chapter shall be construed to prevent or restrict the practice, services, or activities of any person who:

1. (1) Is a health care professional licensed by this state providing respiratory care services included in the scope of practice established by the license held, as long as the person does not represent that the person is engaged in the practice of respiratory care;
2. (2) Is employed as a respiratory care professional by an agency of the United States government and provides respiratory care solely under the direction or control of the employing agency;
3. (3) Is a student enrolled in a respiratory care education program approved by the state medical board leading to a certificate of completion in respiratory care and is performing duties that are part of a supervised course of study;
4. (4) Is employed in the office of a physician and renders medical assistance under the physician's direct supervision without representing that the person is engaged in the practice of respiratory care;
5. (5) Is employed in a clinical chemistry or arterial blood gas laboratory and is supervised by a physician without representing that the person is engaged in the practice of respiratory care;
6. (6) Is engaged in the practice of respiratory care as an employee of a person or governmental entity located in another state and provides respiratory care services for less than seventy-two hours to patients being transported into, out of, or through this state;

7. (7) Is employed as a certified hyperbaric technologist and administers hyperbaric oxygen therapy under the direct supervision of a physician, a podiatrist acting in compliance with section 4731.511 of the Revised Code, a physician assistant, or an advanced practice registered nurse and without representing that the person is engaged in the practice of respiratory care. As used in division (A)(7) of this section:

   1. (a) "Certified hyperbaric technologist" means a person who is certified as a hyperbaric technologist by the national board of diving and hyperbaric medical technology or its successor organization.
   2. (b) "Hyperbaric oxygen therapy" means the administration of pure oxygen in a pressurized room or chamber, except that it does not include ventilator management.