100% CoRReCt
What is the correct angulation of the film that is necessary to be produced during the exposure
of intra oral film packets using a film holder? ✔✔ Parallel to the tooth
What is the sequence of events to be carried out when manually processing a dental film? ✔✔
Developer
Wash
Fixer
Wash
Dry
Which task must be carried out on a daily basis when manually processing radiographs but not
when using an automatic processor? ✔✔ Check solution temperatures
A periapical view of a lower lateral incisor shows an image of the tooth that appears squashed
and stunted with no diagnostic value. What exposure fault will have caused this? ✔✔
Foreshortening
What is the purpose of using an intra oral film holder when taking a horizontal bitewing view of
the patients teeth? ✔✔ Allows horizontal and vertical tube alignment
What is the correct term used to describe the process to be followed when an X-ray machine
malfunctions, to ensure the safety of all persons present? ✔✔ Contingency plan
What is the correct term used to describe the 2m distance around the X-ray machine head
during exposures? ✔✔ Safety zone
, Which light sensitive chemicals are used to coat the celluloid film within an extra oral X-ray film
cassette? ✔✔ Rare earth chemicals
Following an accidental spillage of fixer solution onto the floor, which solution should be used to
clean the area? ✔✔ Detergent solution
Under which circumstance must a radiation protection supervisor be appointed in the dental
workplace? ✔✔ All workplaces using ionising radiation
A set of bite wing radiographs have been processed, and the images produced appear indistinct
and fogged. Which processing fault is most likely to have occurred? ✔✔ Exposed to light
Into which category of waste should spent developer and fixer solution be placed? ✔✔ Non
infectious hazardous waste
What term describes the item that is placed in the patients mouth before exposure? ✔✔ Film
packet
What is the correct order of an extra oral film cassette, from the X-ray machine tube side? ✔✔
Marker
Intensifying screen
Film
Intensifying screen
What event is prevented from happening during manual film processing, by replacing the lid of
the developer tank after each use? ✔✔ Oxidation