A. The provisions of this Part shall not apply to:
(1) Practitioners of allied health fields duly licensed in accordance with other laws of this state.
(2) A physician assistant administering medical services in cases of emergency.
(3) A physician assistant student enrolled in a physician assistant educational program accredited by the Accreditation Review Commission on Education for the Physician Assistant.
(4) A physician assistant employed by the federal government while performing duties incidental to that employment.
B. Nothing herein shall prohibit or limit the authority of physicians to employ auxiliary personnel not recognized under this Part.