Fogging on the radiographs is the result of 1) Increase in humidity 2) Scattered radiation 3) Overdevelopment 4) All of the above
RadiologyAnswer: 4
A patient who has geen given tumoricidal dose of radiotherapy recently reports to dental clinic with painful carious exposed mandibular first molar with periapical abscess. The treatment of choice should be 1) Extraction of the offending tooth 2) Root canal treatment if possible 3) No treatment should be given 4) Incision and drainage of abscess
RadiologyAnswer: 2
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
All of the following are radiolucent except 1) Osteomalacia 2) Osteopetrosis 3) Ameloblastoma 4) Central giant cell granuloma
RadiologyAnswer: 2
Orthopantamograph is not indicated in viewing 1) Anterior body of mandible 2) Coronoid process 3) Lower anterior region of mandible 4) All of the above
RadiologyAnswer: 4
The following is at more risk from exposure of a dental X-ray 1. Bone marrow 2. Breast 3. Brain 4. Thyroid
RadiologyAnswer: 1
Quantity of current can be increased by 1) Increased milliamperage 2) Increased time 3) Increased tube current 4) All of the above
RadiologyAnswer: 4
...............is not a property of X-rays 1) Ionization 2) Action on photographic film 3) Excitation 4) Collimation
