In this chapter:
(1) "Advanced practice registered nurse" has the meaning assigned by Section 301.152.
(2) "Elective intravenous therapy" means a procedure:
(A) to administer fluids, nutrients, medications, or blood directly into a patient's bloodstream through a vein;
(B) that is sought by the patient to alleviate symptoms of temporary discomfort or improve temporary wellness; and
(C) that is not administered in:
(i) a physician's office;
(ii) a health facility licensed under Subtitle B, Title 4, Health and Safety Code;
(iii) a mental hospital licensed under Chapter 577, Health and Safety Code; or
(iv) a hospital maintained or operated by this state.
(3) "Physician assistant" means a person who holds a license issued under Chapter 204.
(4) "Registered nurse" means a person licensed by the Texas Board of Nursing to practice professional nursing.