1. According to the Maryland Dental Act, which of the following is NOT a duty that can be delegated to a dental hygienist under general supervision? A) Applying topical fluoride B) Taking dental radiographs C) Administering local anesthesia D) Performing scaling and root planing Answer: C) Administering local anesthesia Explanation: Under the Maryland Dental Act, the administration of local anesthesia is not a duty that can be delegated to a dental hygienist under general supervision. This task requires the direct supervision of a licensed dentist. 2. In Maryland, what is the maximum duration for which a dentist can prescribe a treatment to be rendered by a dental hygienist under general supervision before a reevaluation is required? A) 3 months B) 6 months C) 7 months D) 12 months