The definitions set forth in Iowa Code section 135H.1 are incorporated herein. As used in this chapter:
"Nurse practitioner" means a registered professional nurse who is currently licensed to practice in the state, who meets state requirements and is currently licensed to practice nursing under the nursing board[655] rules in the Iowa Administrative Code.
"Physician assistant" means a person licensed to practice under Iowa Code chapter 148C.
Iowa Admin. Code r. 481-41.1