ADAA X-Ray Practice Exam

These questions are part of the practice quiz. Start practicing

• Which x-ray unit is described as a panoramic dental radiography device?
• Which statement best describes intraoral radiographs?
• In digital radiography, which element is commonly verified by DICOM tags to ensure proper image association?
• The maxillary sinus is located in which arch?
• Which statement best describes the role of PPE and shielding in dental radiography?
• What is a key limitation of bitewing radiographs for caries detection?
• Which imaging modality provides the most accurate assessment of bone around dental implants beyond two-dimensional imaging?
• What arches are seen in a Full Mouth Series radiograph?
• Which type of x-ray would you use to examine the entire dentition in one image?
• Paralleling technique vs bisecting angle technique: when to choose?
• Which statement is NOT true about dental radiography safety?
• What infection control steps are critical before taking dental radiographs?
• In digital radiography, which statement about the Exposure Index is true?
• Name three common radiographic artifact types and how to prevent them.
• Which star-marked tooth number is the second largest?
• What is film fog and how can it be prevented?
• List the standard processing steps for film radiographs and the purpose of each step.
• Which technique minimizes image magnification and distortion in intraoral radiographs?
• What tooth number is the star on?
• The star marks tooth number 18.
• What are the guidelines for using lead aprons and thyroid collars during dental radiography?
• Bitewing X-rays are most commonly positioned in which orientation?
• Radiographic labeling should include which information?
• Which option is NOT listed as a type of x-ray in the material?
• Which technique can help minimize gag reflex during intraoral radiography?
• What arches are seen in a Bitewing radiograph?
• Why are pediatric radiographs often taken at shorter intervals?
• What are the key responsibilities of a dental assistant in radiation safety?
• Which statement about operator position during X-ray exposure is true?
• What does a lead shield protect during dental radiography?
• Which factor is most associated with creating sharp radiographic images?
• What tooth number is the star on?
• Which of the following correctly identifies the FMX?
• True or False: A thyroid collar is always recommended for every radiographic view?
• What arches are seen in a Cephalometric radiograph?
• Which device is used to take panoramic radiographs?
• How can radiographs help distinguish active (progressive) caries from arrested caries?
• Which instrument in the basic setup is used to move small items such as cotton pellets?
• Which statement about periapical pathology on radiographs is true?
• Which radiograph would you choose to visualize only the anterior region of a single arch?
• Cone-cut error and prevention.
• What is a key prevention for cone-cut errors?
• Which practice is NOT part of a dental radiography QA program?
• Which statement correctly describes foreshortening?
• A periapical radiolucency around the apex on a radiograph may indicate which conditions?
• Occlusal radiographs are primarily used to evaluate eruption and calcifications. Which option lists a radiographic technique that best serves this purpose?
• What additional shielding or distance measures help reduce scatter radiation to sensitive organs during dental radiography?
• Which star-marked tooth number is closest to 20?
• Scattered radiation occurs when which event takes place?
• What is the recommended occupational exposure limit for the whole body from dental radiography per year?
• Bitewings are commonly abbreviated as which of the following?
• What is the recommended approach to radiography during pregnancy when imaging is necessary?
• What arches are seen in a Panorex radiograph?
• Which instrument is included in a basic set-up?
• Which projection best visualizes the maxillary sinus floor?
• Which statement about panoramic radiographs is true?
• Name one major regulatory requirement governing dental radiography in clinical practice.
• Which of the following is radiopaque on a dental radiograph?
• Which option best describes the labeling to ensure correct patient identification on radiographs?
• How should radiographs be managed for pregnant patients?
• How should unusable radiographs be handled in patient records?
• In a Posterior PA radiograph, which arches are visible?
• What radiographic feature suggests a periapical abscess?
• Which statement best describes x-ray energy?
• Which instrument in the basic set-up is used to hold and transfer small items such as cotton pellets?
• What tooth number is the star on?
• What should be used to protect the patient from radiation?
• Which statement correctly describes paralleling technique?
• What is a step wedge and how is it used in radiographic QA?
• Which star-marked tooth number is the second smallest?
• What is the purpose of a radiographic quality assurance program?
• The star marks tooth number 28.
• What tooth number is the star on?
• Which intraoral projection best images the apex of a maxillary central incisor?
• What is the Panorex x-ray position?
• How is horizontal bone loss estimated on a bitewing radiograph?
• What does a radiolucent area on a dental radiograph typically indicate?
• BW stands for which term in dental radiography?
• In endodontic radiography, which description indicates an adequately filled root canal?
• Which view provides the most information about buccal-lingual aspects of teeth?
• How does increasing kilovoltage peak (kVp) affect image contrast?
• Which instrument in the basic set-up is used to explore tooth surfaces for irregularities?
• In film processing, which step stops the development process?
• What does ALARA stand for?
• Which of the following correctly pairs receptor sizes with their typical applications in adults and children?
• What is the purpose of maintaining equipment QA in radiography?
• What is the primary purpose of processing QC in dental radiography?
• Which instrument in the basic set-up is used to evacuate large amounts of saliva and debris?
• What are two common reasons for radiographic retakes?
• What are x-rays in terms of electromagnetic radiation?
• Which star-marked tooth number is the largest?
• In digital radiography, which metric indicates exposure level?
• How should dental radiographs be stored and labeled to comply with privacy and record-keeping requirements?
• On which tooth number is the star located in the first example?
• Which periapical view is described as taking images from the anterior region?
• Identify radiographic landmark: radiopaque border just above the maxillary dentition on standard maxillary molar view.
• Bitewing radiographs essential for periodontal assessment because they visualize which structures?
• Which intraoral projection is described as targeting the apex of the maxillary central incisor?
• On a periapical radiograph, a periapical radiolucency around the apex suggests what?
• Which exposure-related concept is used to verify exposure level across systems and patients?
• What is a key consideration when taking radiographs in children?
• Which type of x-ray is commonly used to detect interproximal decay between posterior teeth?
• Which technique best ensures bitewing images accurately show interproximal contacts and crestal bone height?
• List typical intraoral receptor sizes and their common uses.
• How do vertical and horizontal bone loss patterns differ radiographically?
• What is the general guideline for intraoral radiography during pregnancy?
• Name two common panoramic radiograph artifacts and their causes.
• Which item in the basic setup is used to rinse and blow air on teeth?
• For anterior intraoral views in children, which receptor sizes are typically used?
• What is an effective approach to obtaining informed consent for radiographs?
• Which description best matches horizontal bone loss pattern radiographically?
• Compared with film, digital radiography offers which advantage?
• Which statement best describes radiographic interpretation versus diagnosis?
• A periapical x-ray is taken to give a general overall view of the sinus area, nasal cavity, and the mandibular nerve.
• What radiographic signs indicate approximal caries on a bitewing image?
• What causes radiographic magnification?
• Bitewing X-ray technique places the image in which horizontal arrangement relative to the teeth?
• What tooth number is the upper left second bicuspid?
• On which tooth number is the star located in the third example?
• In paralleling technique, where should the receptor be placed?
• Which range is appropriate for vertical angulation when taking a mandibular molar periapical radiograph with parallel technique?
• Where can you find the Sinus?
• CBCT is commonly used for routine dental radiographs?
• What is the primary goal of a dental radiography quality assurance program?
• The Waters projection is also known as what?
• Which orientation is associated with the Anterior PA x-ray position?
• During conventional dental radiography, which protective gear is recommended for the patient?
• What happens if a receptor is placed backwards and how can it be avoided?
• Which kind of x-ray is described as Periapical (PA)?
• Name the x-ray unit.
• Which of the following is a component of ALARA?
• What is a common reason for bitewing retakes?
• Exposure to primary radiation occurs when the body absorbs radiation from the primary beam.
• Which kind of x-ray is described as Full Mouth Series (FMX)?
• What radiographic sign is classic for periapical pathology such as an abscess?
• What is the most common cause of radiographic image blur?
• The star marks tooth number 31.
• How are intraoral radiographs fundamentally different from extraoral radiographs?
• The star marks tooth number 4.
• What is the recommended vertical angulation for a mandibular molar periapical radiograph using the paralleling technique?
• Which radiograph is commonly used to view both arches in Panorama form?
• When is a panoramic radiograph preferred over intraoral series?
• Where can you find the Larger Anterior Teeth?
• What is the primary purpose of an occlusal radiograph?
• Which statement about kVp, mA, and exposure time is true?
• What advantage do digital sensors provide regarding dynamic range and retakes?
• The Anterior PA x-ray position is oriented in which direction?
• How should bite-wing receptors be protected during transport and handling?
• Which receptor size is commonly used for standard bitewings and PAs in adults?
• Which projection provides the clearest image of maxillary and mandibular canal anatomy?
• Lead aprons are required when taking conventional x-rays.
• A conventional x-ray should be developed in a blue room.
• How can you determine if a radiograph has reversed left-right orientation?
• Distinguish radiolucent and radiopaque areas on dental radiographs and give two examples of each.
• The operator should stand behind a wall or barrier when taking x-rays on a patient.
• The star marks tooth number 20.
• Which statement about shielding is correct?
• Why does CBCT generally have a higher dose than conventional dental radiographs?
• In the paralleling technique for maxillary canine periapical radiographs, why is the receptor kept parallel to the tooth?
• Which view primarily shows one arch and is often used for examining a single arch?
• What is a limitation of bitewing radiographs in detecting occlusal caries?
• The thyroid collar is used to protect the thyroid gland from radiation.
• How many x-rays are in an FMX?
• Scattered radiation occurs when an x-ray beam is absorbed by the sensor/film.
• Which radiograph is designed to capture both arches in a single image?
• What artifact can result from a dirty receptor or scanning surface?
• A thyroid collar is worn by the patient to protect them from radiation.
• Should a thyroid collar be removed during exposure?
• What is the purpose of using a lead apron during x-ray procedures?
• In an Anterior PA radiograph, how many arches are visible?
• Where should the operator stand while the x-ray is being taken?
• Which statement about dose is true?
• An adequately filled root canal radiographically shows what?
• Which kind of x-ray is Panorex (PANO)?
• The upper left second premolar corresponds to which tooth number in the dataset?
• In digital radiography, what index gauges exposure level?
• The star marks tooth number 10.
• What is the purpose of using a step wedge in radiographic QA?
• What should you do if a radiograph shows a metallic artifact obscuring anatomy?
• Which combination of data should be included on radiograph labels to prevent mix-ups?
• Which star-marked tooth number is the smallest?
• What does ALARA stand for in dental radiography, and what does it mean for practice?
• Name two normal anatomic landmarks visible on a standard maxillary posterior radiograph.
• Which statement about bitewing limitations is most accurate?
• Where can you find the smaller anterior teeth?
• If radiographic findings do not align with the clinical presentation, what is the appropriate next step?
• Why is receptor alignment critical for bitewing images?
• Which adjustment helps reduce gag reflex and retakes in pediatric radiography?
• In an FMX, the total number of radiographs is...
• Which type of radiograph images a single tooth and its surrounding structures?
• In digital radiography, which metadata markers help ensure correct orientation and patient identification?
• Vertical bitewing radiography is used to assess what?
• Which statement accurately describes differences between film-based radiography and digital radiography processing and image manipulation?
• Which orientation is associated with the Posterior PA x-ray position?
• Which factors are used to estimate effective dose in dental radiography?
• On which tooth number is the star located in the fourth example?
• The Posterior PA x-ray position is oriented in which direction?
• Which items make up the recommended patient protection during radiography?
• Which of the following is NOT a factor used to estimate effective dose?
• QA checks on radiographic equipment should be performed how often?
• Which statement about ALARA practices is true?
• Lead aprons protect the chest and pelvic region during dental radiography.
• Conventional x-rays should be developed in a blue room.
• What is the primary purpose of occlusal radiographs?
• What commonly causes film fog?
• Which artifact can appear when scanning surface is contaminated?
• In paralleling technique, where should the central ray be aimed?
• What are typical indications for using CBCT in endodontics?
• How is furcation involvement identified radiographically?
• Which of the following statements about processing QC is true?
• Which radiographic error is cone-cut?
• Which statement about shielding is incorrect during dental radiography?
• What principle guides minimizing patient radiation dose in dental radiography?
• Which unit is used to measure patient radiation dose in dental radiography?
• Bitewing radiographs primarily assess what?
• Using the paralleling technique, what is the recommended vertical angulation for the maxillary canine periapical radiograph?
• Where can you find the Mental Foramen?
• Which practice helps prevent sensor bending or damage during radiography?
• Define radiographic magnification and its impact on measurement accuracy.
• How does patient age affect radiation dose and image technique in dental radiography?
• How does the speed of dental film affect radiation exposure and image quality?
• Which device is designed to capture a panoramic image of the jaws and teeth?
• Which reference landmark is used to quantify alveolar bone loss on radiographs?
• CBCT is particularly indicated in which scenarios?
• Bitewing radiographs primarily assess what?
• On which tooth number is the star located in the second example?
• Which measurement is used to quantify alveolar bone loss on a radiograph?
• Cephalometric radiographs are commonly used in which dental specialty?
• Which projection is commonly used to obtain a broad view of the jaws and surrounding structures?
• What is the purpose of beam filtration, and which materials are commonly used?
• Can pulp vitality be determined from a radiograph alone?
• What artifact results from metal jewelry overlapping the receptor during exposure?
• Which sequence is commonly used for acquiring an FMX?
• Which condition commonly causes film fog and reduces image contrast?
• Which statement is true regarding elongation and foreshortening?
• Which shielding is recommended for intraoral radiography?
• The x-ray unit described is mounted on the wall.
• Radiation being absorbed by the body is called what?
• Which information should be included on radiograph labels to prevent mix-ups?
• FMX stands for Full Mouth Series.