§ 3703. Statutory construction. A physician assistant may perform any function in conjunction with a medical service lawfully performed by the physician assistant, in any health care setting, that a statute authorizes or directs a physician to perform and that is appropriate to the education, training and experience of the licensed physician assistant and within the ordinary practice of the supervising physician. This section shall not be construed to increase or decrease the lawful scope of practice of a physician assistant under the education law.