nurse practitioner prescriptive authority is regulated by:a. the national council of state boards of nursingb. the u.s. drug enforcement administrationc. the state board of nursing for each stated. the state board of pharmacyans: c pts: 12. physician assistant (pa) prescriptive authority is regulated by:a. the national council of state boards of nursingb. the u.s. drug enforcement administrationc. the state board of nursingd. the state board of medical examinersans: d pts: 1