Back to quiz

6. Which type of radiograph would be taken to assess jaw relationships?

  • Occlusal
  • Bitewing
  • Cephalostats
  • Orthopantomographs

7. Which set of regulations states there must be a set of local rules displayed by each X-ray machine?

  • RIDDOR
  • Health and Safety at Work Act
  • IRR99
  • IR(ME)R 2000 X

8. What happens if incorrect angulation occurs for a bitewing?

  • Contact points appear overlapped
  • Superimposes the image
  • Image becomes blurred
  • Cuts off the premolar teeth

9. Cephalostats are used extensively in:

  • Orthodontics
  • Endodontics
  • Private cosmetic surgery
  • General practice

10. Extraoral cassettes contain:

  • 0 intensifying screens
  • 2 intensifying screens
  • 1 intensifying screens
  • more than 2 intensifying screens

11. An alternative to using a bitewing holder to achieve a bitewing radiograph is:

  • Sticky tabs
  • PA holder
  • Nurse to hold the films in place
  • Dentist to hold the films in place

12. A periapical radiograph is taken to show:

  • Posterior teeth
  • Individual teeth
  • Anterior teeth
  • None of the stated answers

13. A lateral oblique radiograph shows:

  • The jaw and teeth of both the left and right jaw
  • Both jaws
  • The jaw and molar teeth of either left or right hand side
  • The jaw and teeth of both the left and right jaw

14. Occlusal radiographs show:

  • Maxilla
  • Either mandible or maxilla
  • Both mandible and maxilla
  • Mandible

15. The stages of manual chemical processing are:

  • Develop, wash, fix, wash, dry
  • Develop, fix, dry
  • Develop, wash, fix, dry
  • Develop, fix, wash, dry

16. In manual processing a film should be immersed in fixer for:

  • 6 - 8 minutes
  • 10 - 12 minutes
  • 8 - 10 minutes
  • At least 10 minutes

17. Periodontal disease shows up as what on a radiograph?

  • Loss of the apex
  • Bone resorption at the apex of a tooth
  • Loss of lamina dura
  • A black circle at the apex

18. The two techniques used to take periapical xray’s are:

  • Horizontal and bisected angle
  • Bisecting angle and paralleling
  • Bisected angle and sectioning
  • Sectioning and paralleling

19. Manual processing requires:

  • A dark room
  • A room with no window
  • The lights to be turned off
  • A red light bulb in the room

20. Digital radiography eliminates the need for:

  • Retakes
  • Chemicals
  • Developing
  • Radiation