Test Bank For Dental Radiography 5th Edition By Joen Iannucci
9780323297493 ALL CHAPTERS .
The aim of a quality assurance programme of radiographs is to keep exposure and processing faults to
a minimum. What are the acceptable ratios? - ANSWER: Score 1 - 70%
Score 2 - 20%
Score 3 - 10%
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? - ANSWER: Waist area
When a periapical view of an upper incisor is mounted for viewing, what is the orientation of the film
on the viewer? - ANSWER: Incisor root above crown
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? - ANSWER: 150 intra oral or 50 extra
oral
Which storage condition will not affect the shelf life of X-ray film packets, by causing their
deterioration before reaching the stated expiry date? - ANSWER: Cold stock room
When is it acceptable for the X-ray machine to be switched on? - ANSWER: Before an exposure
What is the correct way to store X-ray film stock - ANSWER: Old stock must be used first
Which radiograph view is taken to screen orthodontic patients for the presence or absence of teeth? -
ANSWER: Dental pantomograph
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? - ANSWER: Grade 2
After processing, a radiograph appears black and no image is visible. What is the quality assurance
rating if this film? - ANSWER: Grade 3
When run currently, a quality assurance system of radiographs has to achieve what? - ANSWER:
Minimise patient exposure to an acceptable level
What is the correct system of film stock in their designated storage area? - ANSWER: New stock at the
back
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? -
ANSWER: By the safety zone limit
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? -
ANSWER: Grade 2
What action cannot be carried out by a dental nurse? - ANSWER: Set exposure
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 later. What is the possible
consequence of this error? - ANSWER: Distal restoration of 14
, There are various intra oral radiograph views available to the dental team. Which one of the views will
show the full length of one or two teeth and their surrounding bone? - ANSWER: Periapical
What is the correct order of contents of an intra oral film packet from the X-ray machine tube side? -
ANSWER: Paper
Film
Paper
Foil
When a dental pantomograph is mounted for the dentist to view, what describes the correct
orientation of the film on the viewer? - ANSWER: The left maxillary molars will be on the dentists top
right
What represents the ionising radiation regulations concerned with the safety of dental personnel
while in the dental workplace? - ANSWER: IRR17 - Ionising Radiation Regulations 2017
When an X-ray machine is in use, the beam of ionising radiation may scatter into the surrounding
area; what assists in restricting the area of the beam thereby reducing the scatter? - ANSWER:
Collimator tube
Clinical governance guidelines set out the acceptable percentage scores of analysed radiographs as a
maximum of poor quality and a minimum of excellent quality. What are the correct scores? -
ANSWER: Poor maximum 10%
Excellent minimum 70%
Which intra oral radiograph view is useful when trying to determine if a patient has congenitally
absent lateral incisor teeth? - ANSWER: Occlusal
What should be used to determine the correct orientation of a radiograph? - ANSWER: Pimple facing
forwards
All dental workplaces using ionising radiation must undergo a 3-yearly assessment of radiation safety
on the premises. Which organisation is most likely to undertake this assessment? - ANSWER: Health
Protection Agency
When scoring during a quality assurance analysis of radiographs, some may be marked as having
errors present that prevent a diagnosis being made.
What Quality Assurance score does this statement describe? - ANSWER: Grade 3
What represents the ionising radiation regulations concerned with the safety of patients while in the
dental workplace? - ANSWER: IRMER17 - Ionising Radiation Medical Exposure Regulations
What documents do not have to be stored in the radiation protection file? - ANSWER: Radiation
qualification certificates
What is the function of the lead foil within the intra oral X-ray film packet? - ANSWER: Absorbs scatter
What is one of the main advantages of using digital radio graphic techniques rather than conventional
radio graphic techniques? - ANSWER: Reduced radiation dose
What colour is the safelight - ANSWER: Red
Which intro oral radiograph view is particularly useful for showing the presence of occlusal caries in
several teeth? - ANSWER: Horizontal bitewing
9780323297493 ALL CHAPTERS .
The aim of a quality assurance programme of radiographs is to keep exposure and processing faults to
a minimum. What are the acceptable ratios? - ANSWER: Score 1 - 70%
Score 2 - 20%
Score 3 - 10%
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? - ANSWER: Waist area
When a periapical view of an upper incisor is mounted for viewing, what is the orientation of the film
on the viewer? - ANSWER: Incisor root above crown
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? - ANSWER: 150 intra oral or 50 extra
oral
Which storage condition will not affect the shelf life of X-ray film packets, by causing their
deterioration before reaching the stated expiry date? - ANSWER: Cold stock room
When is it acceptable for the X-ray machine to be switched on? - ANSWER: Before an exposure
What is the correct way to store X-ray film stock - ANSWER: Old stock must be used first
Which radiograph view is taken to screen orthodontic patients for the presence or absence of teeth? -
ANSWER: Dental pantomograph
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? - ANSWER: Grade 2
After processing, a radiograph appears black and no image is visible. What is the quality assurance
rating if this film? - ANSWER: Grade 3
When run currently, a quality assurance system of radiographs has to achieve what? - ANSWER:
Minimise patient exposure to an acceptable level
What is the correct system of film stock in their designated storage area? - ANSWER: New stock at the
back
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? -
ANSWER: By the safety zone limit
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? -
ANSWER: Grade 2
What action cannot be carried out by a dental nurse? - ANSWER: Set exposure
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 later. What is the possible
consequence of this error? - ANSWER: Distal restoration of 14
, There are various intra oral radiograph views available to the dental team. Which one of the views will
show the full length of one or two teeth and their surrounding bone? - ANSWER: Periapical
What is the correct order of contents of an intra oral film packet from the X-ray machine tube side? -
ANSWER: Paper
Film
Paper
Foil
When a dental pantomograph is mounted for the dentist to view, what describes the correct
orientation of the film on the viewer? - ANSWER: The left maxillary molars will be on the dentists top
right
What represents the ionising radiation regulations concerned with the safety of dental personnel
while in the dental workplace? - ANSWER: IRR17 - Ionising Radiation Regulations 2017
When an X-ray machine is in use, the beam of ionising radiation may scatter into the surrounding
area; what assists in restricting the area of the beam thereby reducing the scatter? - ANSWER:
Collimator tube
Clinical governance guidelines set out the acceptable percentage scores of analysed radiographs as a
maximum of poor quality and a minimum of excellent quality. What are the correct scores? -
ANSWER: Poor maximum 10%
Excellent minimum 70%
Which intra oral radiograph view is useful when trying to determine if a patient has congenitally
absent lateral incisor teeth? - ANSWER: Occlusal
What should be used to determine the correct orientation of a radiograph? - ANSWER: Pimple facing
forwards
All dental workplaces using ionising radiation must undergo a 3-yearly assessment of radiation safety
on the premises. Which organisation is most likely to undertake this assessment? - ANSWER: Health
Protection Agency
When scoring during a quality assurance analysis of radiographs, some may be marked as having
errors present that prevent a diagnosis being made.
What Quality Assurance score does this statement describe? - ANSWER: Grade 3
What represents the ionising radiation regulations concerned with the safety of patients while in the
dental workplace? - ANSWER: IRMER17 - Ionising Radiation Medical Exposure Regulations
What documents do not have to be stored in the radiation protection file? - ANSWER: Radiation
qualification certificates
What is the function of the lead foil within the intra oral X-ray film packet? - ANSWER: Absorbs scatter
What is one of the main advantages of using digital radio graphic techniques rather than conventional
radio graphic techniques? - ANSWER: Reduced radiation dose
What colour is the safelight - ANSWER: Red
Which intro oral radiograph view is particularly useful for showing the presence of occlusal caries in
several teeth? - ANSWER: Horizontal bitewing
