(1) “Practice as a veterinary technician” means the practice of veterinary medicine based on less comprehensive knowledge and skill than that required of a veterinarian and performed under supervision of a veterinarian.

    (2) “Practice of veterinary medicine” means:

    (a) Prescribing or administering a drug, medicine, treatment, or method of procedure; performing an operation or manipulation; applying an apparatus or appliance; or giving an instruction or demonstration designed to alter an animal from its normal condition.

    (b) Curing, ameliorating, correcting, reducing, or modifying a disease, deformity, defect, wound, or injury in or to an animal.

    (c) Diagnosing or prognosing, or both, a disease, deformity, or defect in an animal by a test, procedure, manipulation, technique, autopsy, biopsy, or other examination.

    (3) “Veterinarian” means an individual licensed under this article to engage in the practice of veterinary medicine.