Which of the following help in distinguishing an osseous neoplasm and a cyst on an X-ray 1) Size 2) Shape 3) Location 4) Peripheral bone formation
RadiologyAnswer: 4
If shorter exposure time is needed for exposing dental firm 1) kVp can be increased 2) Mili ampere is decreased 3) Long cone can be used 4) Lead diaphragm is removed
RadiologyAnswer: 1
Greatest decrease in overall radiation risk from dental X-ray to patients is achieved by 1. Using speed "E" film 2. Rectangular collimation 3. Using a lead apron 4. Increasing target-film distance
RadiologyAnswer: 2
Primary source of X-ray photons from an X-ray tube is 1) Stray radiation 2) Bremhaulstrong radiation 3) Characteristic radiation 4) All of the above
RadiologyAnswer: 2
Characteristic of screen film used for cephalometric radiograph 1) High contrast, medium-speed 2) Low contrast, faster speed 3) Low contrast, wide latitude 4) High contrast, high speed
RadiologyAnswer: 3
Which of the following facilitates comparison between different radiation 1) Rad 2) Rem 3) Roentgen 4) Quality factor
RadiologyAnswer: 2
Ankylosis of TMJ can be best viewed in 1) Lateral oblique view 2) Lateral view 3) Transcranial 4) PA view
RadiologyAnswer: 3
The X-ray view which is best for maxillary sinus 1) Waters view 2) Towner"s view 3) Submentovertex 4) Lateral oblique view
