States that “The North Carolina Medical Board shall have sole jurisdiction to regulate and license physician assistants receiving, prescribing, or dispensing prescription drugs under the supervision of a licensed physician without charge or fee to the patient. The provisions of G.S. 90-18.1(c)(1), (c)(2), and G.S. 90-85.21(b), shall not apply to the receiving, prescribing, or dispensing of prescription drugs without charge or fee to the patient.”