DENTAL RADIOGRAPHY 314 EXAM
WITH CORRECT QUESTIONS AND
ANSWERS 2025
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-
ANSWERSScore 1 - 70%
2. Score 2 - 20%
3. Score 3 - 10%
4. 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-
ANSWERSWaist area
5. When a periapical view of an upper incisor is mounted for viewing, what is the
orientation of the film on the viewer? - CORRECT-ANSWERSIncisor root above crown
6. 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-ANSWERS150 intra oral or 50 extra oral
7. 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-ANSWERSCold
stock room
8. When is it acceptable for the X-ray machine to be switched on? - CORRECT-
ANSWERSBefore an exposure
9. What is the correct way to store X-ray film stock - CORRECT-ANSWERSOld stock
must be used first
, 10. Which radiograph view is taken to screen orthodontic patients for the presence or absence
of teeth? - CORRECT-ANSWERSDental pantomograph
11. 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-
ANSWERSGrade 2
12. After processing, a radiograph appears black and no image is visible. What is the quality
assurance rating if this film? - CORRECT-ANSWERSGrade 3
13. When run currently, a quality assurance system of radiographs has to achieve what? -
CORRECT-ANSWERSMinimise patient exposure to an acceptable level
14. What is the correct system of film stock in their designated storage area? - CORRECT-
ANSWERSNew stock at the back
15. 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-ANSWERSBy the safety zone limit
16. 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-ANSWERSGrade 2
17. What action cannot be carried out by a dental nurse? - CORRECT-ANSWERSSet
exposure
18. A periapical radiograph at the upper left first premolar (24) shows distal caries present.
However, the Radiography has been mounted back to front and then viewed several days
WITH CORRECT QUESTIONS AND
ANSWERS 2025
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-
ANSWERSScore 1 - 70%
2. Score 2 - 20%
3. Score 3 - 10%
4. 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-
ANSWERSWaist area
5. When a periapical view of an upper incisor is mounted for viewing, what is the
orientation of the film on the viewer? - CORRECT-ANSWERSIncisor root above crown
6. 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-ANSWERS150 intra oral or 50 extra oral
7. 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-ANSWERSCold
stock room
8. When is it acceptable for the X-ray machine to be switched on? - CORRECT-
ANSWERSBefore an exposure
9. What is the correct way to store X-ray film stock - CORRECT-ANSWERSOld stock
must be used first
, 10. Which radiograph view is taken to screen orthodontic patients for the presence or absence
of teeth? - CORRECT-ANSWERSDental pantomograph
11. 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-
ANSWERSGrade 2
12. After processing, a radiograph appears black and no image is visible. What is the quality
assurance rating if this film? - CORRECT-ANSWERSGrade 3
13. When run currently, a quality assurance system of radiographs has to achieve what? -
CORRECT-ANSWERSMinimise patient exposure to an acceptable level
14. What is the correct system of film stock in their designated storage area? - CORRECT-
ANSWERSNew stock at the back
15. 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-ANSWERSBy the safety zone limit
16. 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-ANSWERSGrade 2
17. What action cannot be carried out by a dental nurse? - CORRECT-ANSWERSSet
exposure
18. A periapical radiograph at the upper left first premolar (24) shows distal caries present.
However, the Radiography has been mounted back to front and then viewed several days
