Base of skull can be viewed by 1) Towne"s projection 2) Submentovertex 3) PA view of skull 4) Both A and B
RadiologyAnswer: 4
Unit of measurements to compare radiation damage 1) Exposure 2) Dose 3) Effective dose 4) Dose equivalent
RadiologyAnswer: 4
Fogging of X-ray film affects the contrast of an intraoral film because it 1) Produces phosphorous crystals on the film 2) Decreases film density resulting in a light radiograph 3) Produces white speckles on the firm 4) Increases film density resulting in an overall gray radiograph
RadiologyAnswer: 4
In the bisecting technique, the film is placed 1) Parallel to the tooth 2) As close as possible 3) Parallel to the bisector 4) Perpendicular to the bisector
RadiologyAnswer: 2
The presence of pulp stones on the radiograph of a tooth indicates the presence of 1. Acute pulpitis 2. Acute pulpalgia 3. Chronic periodontitis 4. None of the above
RadiologyAnswer: 4
Which radiographs are taken first during full mouth survey of an adult 1. Periapical films of maxillary incisors 2. Periapical films of mandibular incisors 3. Periapical films of maxillary molars 4. Bite wing films
RadiologyAnswer: 4
A consistant radiographic feature in Page"s disease is 1) Hypercementosis of tooth 2) Widened periodontal ligament 3) Loss of normal trabecular pattern of bone 4) Root resorption
RadiologyAnswer: 1
The X-rays which are mostly likely to be absorbed by the tissues and produce an injury 1) X-rays of long wavelength 2) X-rays of short wavelength 3) Filtered X-rays 4) Central rays
