(a) The practice of vocational nursing within the meaning of this chapter is the performance of services requiring those technical, manual skills acquired by means of a course in an approved school of vocational nursing, or its equivalent, practiced under the direction of a licensed physician and surgeon, or registered nurse, as defined in Section 2725.
(b) A vocational nurse, within the meaning of this chapter, is a person who has met all the legal requirements for a license as a vocational nurse in this state and who for compensation or personal profit engages in vocational nursing, as defined under subdivision (a).