1. campbell lines are seen in which radiographic projectionoccipitomentontransorbitaltranspharyngealtranscranialQuestion 1 of 20 2. Which projection is best for examining zygomatic arch fractures?Lateral cephalometric projectionWaters projectionSubmentovertex projectionReverse Towne projectionQuestion 2 of 20 3. Radiographic appearance of hypophosphatasiaShell teethFloating teethCemental thickeningGhost teethQuestion 3 of 20 4. radiographs alone can detect in a pocketnone of the abovenumber of remaining bony defectshape of bony defectextent of bone lossQuestion 4 of 20 5. sunburst appearance on radiograph is seen inx ray chestosteosarcomaosteofibromaosteopetrosisQuestion 5 of 20 6. 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 cystOsteoporotic bone marrowAneurysmal bone cystOdontogenic keratocystQuestion 6 of 20 7. filters are used in x ray beam tocorrect the x ray beam sizeremove low energy x ray photonsreduce film densityreduce exposure timeQuestion 7 of 20 8. Oral route is used for which isotopeIodine-123F-18Tech 99Galium 67Question 8 of 20 9. A nephrocalcinosis treated patient and on omeprazole for last 3 weeks, has midline crossing lesion in the lower jaw, radiolucent, hazy trabeculae,giant cells , expanding cortical plates .Diagnosis isTreated nephrocalcinosisBrown tumorCGCGOdontogenic keratocystQuestion 9 of 20 10. . A patient with a large squamous cell carcinoma of the lateral border of the tongue is scheduled for a radical neck dissection. Prophylactic extractions of hopeless teeth must be done to prevent which of the following?Periodontal diseaseNone of the aboveostepradionecrosisRampant cariesQuestion 10 of 20 11. the radioopacity that frequently obliqueterates the apices of maxillary molarswhen using the bisecting principle of intra oral radiography is theorbital process of the zygomatic bonezygoma and the zygomatic process of the maxillapalatine process and the zygomamaxillary sinusQuestion 11 of 20 12. Long gray scale is achieved byIncreased voltageDecreasing KVpIncreasing tube currentDecreasing tube currentQuestion 12 of 20 13. Radiotherapy is not used inSpindle cell carcinomaMucoepidermoid carcinomaSquamous cell carcinomaPaget diseaseQuestion 13 of 20 14. Radiographic view for displaced root fragment in maxillary sinus , best view is:Occipitomenton at 30 degreeMRIIOPALateral oblique viewQuestion 14 of 20 15. moth eaten appearance is seen in all excepthemorrhagic bone cystosteosarcomaosteomyelitisOKCQuestion 15 of 20 16. X ray equipment is cleaned /disinfected withChlorhexidineSodium hypochloriteBetadineIodoformQuestion 16 of 20 17. If exposure is doubled but tube current and voltage remains constant thenMaximum energy is doubleProton energy is doubleMean energy is doubleNumber of protons is doubledQuestion 17 of 20 18. Radiographically 'se strum' formed in osteomyelitis isNone of the aboveLess opaque than healthy boneSame opaque as healthy boneMore opaque than healthy boneQuestion 18 of 20 19. on the radiograph the mesial site of mandibular 1st molar revealed bone loss of 2-3 mm.on probing 6mm pocket was revealed.the discrepancy could be due tobone remaining on mesial aspectangulation of radiographsuperimposition of bone remaining on facial and lingual surfacestaurodontismQuestion 19 of 20 20. The period between radiation exposure and the onset of symptoms is called thePeriod of cell injurynone of the aboveLatent periodRecovery periodQuestion 20 of 20 Loading...