Electromagnetic energy passes through the object and reacts with the... Correct Ans-
Photographic layer of film
This will show up as a circular area at the apex of the tooth. Correct Ans-Chronic periapical
abscess
This shows up as a dark area of destruction extending inwards from the enamel surface.
Correct Ans-Caries
Consequences of incorrect mounting are films getting mixed up or lost, retakes being needed,
a breach of confidentiality and... Correct Ans-The wrong tooth receiving treatment
Which set of regulations sets out the responsibility of dental personnel involved with
radiography? Correct Ans-IRMER 2000
Which set of regulations states there must be a set of local rules displayed by each x-ray
machine? Correct Ans-IRR 1999
Staff training radiography records are a key point in which piece of legislation? Correct
Ans-IRMER 2000
Periodontal disease shows up as what on a radiograph? Correct Ans-Loss of lamina dura
, Dental Nurse 314 exam with Complete Solutions
An alternative to using a bitewing holder to achieve a bitewing radiograph is... Correct
Ans-Sticky tabs
What happens if incorrect angulation occurs for a bitewing? Correct Ans-Contact points
appear overlapped
Which is the best radiograph to take for assessment of the antral floor? Correct Ans-
Occlusal
A periapical radiograph is taken to show... Correct Ans-Individual teeth
The two techniques used to take periapicals are: Correct Ans-Bisected angle and
paralleling
Occlusal radiographs show... Correct Ans-Either mandible or maxilla
One of the uses of an occlusal radiograph is... Correct Ans-Assessment of the condition of
the antral floor
Extraoral cassettes contain... Correct Ans-2 intensifying screens
, Dental Nurse 314 exam with Complete Solutions
How many stages are involved in chemical processing? Correct Ans-5
Cephalostats are used extensively in... Correct Ans-Orthodontics
Which type of radiograph would be taken to assess jaw relationships? Correct Ans-
Cephalostat
Orthopantomographs show... Correct Ans-Both jaws in full and all teeth
The stages of manual chemical processing are: Correct Ans-Develop, wash, fix, wash, dry
Processing chemicals should be disposed of as... Correct Ans-Non-infectious waste
In manual processing a film should be immersed in fixer for... Correct Ans-8-10 minutes
Stochastic effects can take place at what level of radiation exposure? Correct Ans-Any level
In manual processing a film should be immersed in developer for... Correct Ans-5 minutes
In manual processing the temperature of the developer should be... Correct Ans-20
degrees celcius
, Dental Nurse 314 exam with Complete Solutions
Elongation of a radiograph is caused by... Correct Ans-Collimator angulation is too shallow
Foreshortening of a radiograph is caused by... Correct Ans-Collimator angulation is too
steep
Coning of an image on a radiograph is caused by... Correct Ans-Collimator angulation is not
central to film
A fogged film is caused by... Correct Ans-Exposed to light before exposure
A faint image on a radiograph is caused by... Correct Ans-Underdeveloped
A dark film is caused by... Correct Ans-Overdeveloped
A partly blank film is caused by... Correct Ans-Film partially immersed in developer
solution
Blank spots on a radiograph are caused by... Correct Ans-Film splashed with fixer before
developing
IRR 1999 is concerned with the protection of... Correct Ans-Staff