Dental Radiography 314 Exam Questions
and Answers
Question 1
The aim of a quality assurance programme of radiographs is to keep exposure and
processing faults to a minimum. What are the acceptable ratios?
Correct Answer
Score 1 - 70%
Score 2 - 20%
Score 3 - 10%
Question 2
Where on the body is the recommended position to place a monitoring badge, which
is used to identify if a staff member has received any accidental exposures?
Correct Answer
Waist area
Question 3
When a periapical view of an upper incisor is mounted for viewing, what is the
orientation of the film on the viewer?
Correct Answer
Incisor root above crown
Question 4
Radiation monitoring badges must be worn by dental staff when a set number of
intra oral/extra oral radiographs are exceeded in a week. What are the set numbers?
Correct Answer
150 intra oral or 50 extra oral
Page 1 of 16
,Question 5
Which storage condition will not affect the shelf life of X-ray film packets, by causing
their deterioration before reaching the stated expiry date?
Correct Answer
Cold stock room
Question 6
When is it acceptable for the X-ray machine to be switched on?
Correct Answer
Before an exposure
Question 7
What is the correct way to store X-ray film stock
Correct Answer
Old stock must be used first
Question 8
Which radiograph view is taken to screen orthodontic patients for the presence or
absence of teeth?
Correct Answer
Dental pantomograph
Question 9
A left horizontal bite wing has been taken to determine if the first molar teeth have
occlusal caries present. The image is coned and the second molars have been missed
off the exposure. What is the most likely quality assurance rating?
Correct Answer
Grade 2
Page 2 of 16
, Question 10
After processing, a radiograph appears black and no image is visible. What is the
quality assurance rating if this film?
Correct Answer
Grade 3
Question 11
When run currently, a quality assurance system of radiographs has to achieve what?
Correct Answer
Minimise patient exposure to an acceptable level
Question 12
What is the correct system of film stock in their designated storage area?
Correct Answer
New stock at the back
Question 13
In the event of an X-ray malfunction, the local rules will indicate the position of the
machine isolator switch that will disconnect the electricity supply. Where should this
information be displayed?
Correct Answer
By the safety zone limit
Question 14
When scoring during a quality assurance analysis of radiographs, some may be
marked as having minimal errors present that do not prevent a diagnosis being made.
What score does this describe?
Correct Answer
Grade 2
Page 3 of 16
and Answers
Question 1
The aim of a quality assurance programme of radiographs is to keep exposure and
processing faults to a minimum. What are the acceptable ratios?
Correct Answer
Score 1 - 70%
Score 2 - 20%
Score 3 - 10%
Question 2
Where on the body is the recommended position to place a monitoring badge, which
is used to identify if a staff member has received any accidental exposures?
Correct Answer
Waist area
Question 3
When a periapical view of an upper incisor is mounted for viewing, what is the
orientation of the film on the viewer?
Correct Answer
Incisor root above crown
Question 4
Radiation monitoring badges must be worn by dental staff when a set number of
intra oral/extra oral radiographs are exceeded in a week. What are the set numbers?
Correct Answer
150 intra oral or 50 extra oral
Page 1 of 16
,Question 5
Which storage condition will not affect the shelf life of X-ray film packets, by causing
their deterioration before reaching the stated expiry date?
Correct Answer
Cold stock room
Question 6
When is it acceptable for the X-ray machine to be switched on?
Correct Answer
Before an exposure
Question 7
What is the correct way to store X-ray film stock
Correct Answer
Old stock must be used first
Question 8
Which radiograph view is taken to screen orthodontic patients for the presence or
absence of teeth?
Correct Answer
Dental pantomograph
Question 9
A left horizontal bite wing has been taken to determine if the first molar teeth have
occlusal caries present. The image is coned and the second molars have been missed
off the exposure. What is the most likely quality assurance rating?
Correct Answer
Grade 2
Page 2 of 16
, Question 10
After processing, a radiograph appears black and no image is visible. What is the
quality assurance rating if this film?
Correct Answer
Grade 3
Question 11
When run currently, a quality assurance system of radiographs has to achieve what?
Correct Answer
Minimise patient exposure to an acceptable level
Question 12
What is the correct system of film stock in their designated storage area?
Correct Answer
New stock at the back
Question 13
In the event of an X-ray malfunction, the local rules will indicate the position of the
machine isolator switch that will disconnect the electricity supply. Where should this
information be displayed?
Correct Answer
By the safety zone limit
Question 14
When scoring during a quality assurance analysis of radiographs, some may be
marked as having minimal errors present that do not prevent a diagnosis being made.
What score does this describe?
Correct Answer
Grade 2
Page 3 of 16
