© 1998 – 2024 National Dental Assisting Examining Board 35 Candidate Handbook for the Written Examination – 2023 SampleQuestions: ITEM 1 In relation to dental radiography, which one of the following terms refers to the anatomical landmark used to identify a maxillary canine periapical film? 1. Maxillary sinus. 2. Mental foramen. 3. Bifurcated roots. 4. Maxillary tuberosity. Domain reference: 5.2.3.17 ITEM 2 Prior to exposing a dental radiograph/image, placement of the lead apron over the patient protects which one of the following tissues? 1. Vascular. 2. Gonadal. 3. Muscular. 4. Digestive. Domain reference: 5.2.3.5 ITEM 3 A blood pressure cuff should be placed over which one of the following arteries? 1. Pulmonary. 2. Brachial. 3. Carotid. 4. Radial. Domain reference: 5.1.2 ITEM 4 Which three factors are essential in order to produce accurate diagnostic casts? 1. Water to powder ratio, temperature of gypsum and force of mixing. 2. Water temperature, form of gypsum used and force of mixing. 3. Water to powder ratio, mixing time and water temperature. 4. Type of spatula used, vibration and water temperature. Domain reference: 5.2.2.6 ITEM 5 What is the name of the adhesive film which retains bacterial colonies to the teeth? 1. Striae. 2. Pellicle. 3. Calculus. 4. Materia alba. Domain reference: 7.1.5
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