1. Best radiograph to view relationship of adjacent anatomical structures to impacted mandibular toothLateral cephalogramIOPACBCTOPGQuestion 1 of 20 2. In taking radiographs, gagging is usually caused whenThe film is moved across the soft palateThe film is held by the patientThe film impinges on the floor of the mouthBite wings are takenQuestion 2 of 20 3. Long gray scale is achieved byDecreasing tube currentIncreased voltageIncreasing tube currentDecreasing KVpQuestion 3 of 20 4. Oxygen deficient cells areAnticollagenase activityRadioresistantNo effect of oxygen levelRadiosensitive tissueQuestion 4 of 20 5. Penny test is used forPersonnel protectionStatic electricity artifactStrength of developerdarkroom safe lightingQuestion 5 of 20 6. Hyperbaric oxygen is beneficial to the patients withActinomycosisOsteoradionecrosisTubercular OsteomyelitisSyphilisQuestion 6 of 20 7. digital radiography differs from conventional inno hard copy is formedradiation receptors are differentrays other than x rays are usedx rays not usedQuestion 7 of 20 8. radiographic diagnosis of dense radioopaque cotton wool areas throughout the entire body of the mandible and associated with hypercementosis is most likelyosteomyelitispaget's diseaseexostosisenostosisQuestion 8 of 20 9. X ray equipment is cleaned /disinfected withBetadineIodoformChlorhexidineSodium hypochloriteQuestion 9 of 20 10. The unit for measuring the absorption of x-rays is called:REMRADRoentgenQFQuestion 10 of 20 11. campbell lines are seen in which radiographic projectiontranspharyngealtranscranialoccipitomentontransorbitalQuestion 11 of 20 12. Highly radiosensitive cells areBuccal mucosaLungLiverRetinaQuestion 12 of 20 13. Occlusal radiographs are useful for all of the following except one. Which one is the exception?When there is buccal-lingual expansion of the mandibleWhen there are sialoliths in the floor of the mouthFor views of the temporomandibular joint (TMJ)For displaying large segments of the mandibular archQuestion 13 of 20 14. Chromosomal damage maximum during radiotherapy when there is damage toSex chromosomeAutosomeCentrosomeTelomereQuestion 14 of 20 15. if multiple myelpma is suspected from a patients history and IOPA, which of the following radiographs should be taken to confirm the diagnosislateral skulllateral oblique viewanterior posterior viewposterior anterior viewQuestion 15 of 20 16. All are advantages of digital radiography exceptPatient educationThe ability to enhance the imageSize of the intraoral sensorDigital subtractionQuestion 16 of 20 17. the density of a radiograph is reduced by increasingsource film distanceexposure timemiliamperagekilovoltageQuestion 17 of 20 18. all of the following increases radiation exposure excepthigh KVPlow KVPuse of low speed filmsuse of gridsQuestion 18 of 20 19. which is the best technique for detecting proximal caries in children with minimum radiation exposurebitewing with paralleling technique panoramic radiographybitewing with RVGbitewing with bisecting angle technique Question 19 of 20 20. The image of the coronoid process of the mandible often appears in periapical x-rays ofThe molar region of the mandibleThe incisor region of the maxillaThe incisor region of the mandibleThe molar region of the maxillaQuestion 20 of 20 Loading...
