1. Penny test is used forStrength of developerStatic electricity artifactPersonnel protectiondarkroom safe lightingQuestion 1 of 20 2. Best radiograph to view relationship of adjacent anatomical structures to impacted mandibular toothCBCTOPGLateral cephalogramIOPAQuestion 2 of 20 3. moth eaten appearance is seen in all excepthemorrhagic bone cystosteomyelitisOKCosteosarcomaQuestion 3 of 20 4. Mandible in single plane is seen inAP viewLateral obliqueque PA viewOPGQuestion 4 of 20 5. When using a phosphor plate, if we tak eimage without deetion of previous one is calledDouble imageGhost imageSingle real imageNo imageQuestion 5 of 20 6. Radiographically 'se strum' formed in osteomyelitis isLess opaque than healthy boneMore opaque than healthy boneNone of the aboveSame opaque as healthy boneQuestion 6 of 20 7. Which of the following uses alogarithmCariostarlaser dopplerCariogramDifotiQuestion 7 of 20 8. radiographically,in early caries one can mistake a radiolucent line below the DEJ formach bandshunter schreger bandstomes granular layerlines of retziusQuestion 8 of 20 9. all of them use non ionizing radiation exceptMRIradiographyultrasonographythermographyQuestion 9 of 20 10. Which of the following doesnot apply to filtration of an x-ray beam in a modern x-ray unit?Reduces patient exposure by removing lower energy photonsProvided by an aluminum filterDecreases the mean energy of the x-ray beamRequired to be 1.5 mm thick for 70 kVpQuestion 10 of 20 11. which layer of epithelium of oral mucous membrane is more sensitive to radiationstratum granulosumstratum basalestratum corneumstratum spinosumQuestion 11 of 20 12. The period between radiation exposure and the onset of symptoms is called thePeriod of cell injurynone of the aboveRecovery periodLatent periodQuestion 12 of 20 13. Elongation (the most common error) can be caused byThe film is not parallel to the long axisToo little vertical angulationAll of the aboveThe occlusal plane is not parallel to the floorQuestion 13 of 20 14. On a radiograph the facial root of a maxillary first premolar would appear distal to the lingual root if theX ray head were angled from a mesial position relative to the premolarVertical nagle of the cone were decreasedX ray head were angled from a diatal portion relative to the premolarVertical angle of the cone were increasesQuestion 14 of 20 15. On a routine radiographic examination, a well-defined radiolucent lesion was seen in the body of the mandible of a 17-year-old boy. At the time of operation, it proved to be an empty cavity. What is this lesion?Traumatic bone cystAneurysmal bone cystOdontogenic keratocystOsteoporotic bone marrowQuestion 15 of 20 16. Hurter Driffield Index is used to measureNiTi instrumentradiographDental cariesStainless steelQuestion 16 of 20 17. Machine A has FOV(field of view) of 6-12 inches,while machine B has FOV of 1.6 to 3.1 inches. Which CBCT machine will produce higher resolution image and deliver less radiationBoth will give same resolution of imageMachine BFOV does not matterMachine AQuestion 17 of 20 18. Maximum fogging effect is seen byCharacteristic radiationCompton scatteringPhotoelectric absorptionCoherentQuestion 18 of 20 19. Size of x-ray film for bitewing used in a child for molar tooth2431Question 19 of 20 20. Intranuclear viral inclusions are seen in tissue specimens of which of the following?Hairy leukoplakiaGeographic tongueSolar cheilitisMinor aphthous ulcersQuestion 20 of 20 Loading...
