1. According to the Dental Practice Act, which of the following is NOT a duty that can be delegated to a dental assistant? A) Coronal polishing B) Application of pit and fissure sealants C) Taking impressions for orthodontic purposes D) Administration of local anesthesia Answer: D) Administration of local anesthesia Explanation: The administration of local anesthesia is not a delegable duty to dental assistants according to the Dental Practice Act. This task is reserved for licensed dentists or other qualified healthcare professionals with the appropriate certification. 2. Under the California state dental laws, which statement is true regarding the advertising of dental services? A) Dentists can guarantee the success of treatments in their advertisements. B) Dentists must disclose all potential risks of advertised treatments. C) Use of testimonials in advertisements is prohibited. D) Discounts offered in advertisements mu