1. According to the Arizona Administrative Code, which of the following is NOT a duty that can be delegated to a dental hygienist? A) Administering local anesthesia B) Performing scaling and root planing C) Prescribing medications D) Applying fluoride varnishes Answer: C) Prescribing medications Explanation: Under the Arizona state dental laws, prescribing medications is not within the scope of practice for dental hygienists and is reserved for licensed dentists. 2. The Arizona State Board of Dental Examiners requires which of the following for a dentist to maintain licensure? A) Completion of a specialty residency B) Participation in peer review C) Continuing education credits D) Annual bloodborne pathogen training Answer: C) Continuing education credits Explanation: Dentists in A