(VERSION A AND B) COMPLETE 450 QUESTIONS AND
CORRECT DETAILED ANSWERS
1. Film speed refers to the - ANSWER: . Sensitivity of the film
Darkroom infection control guidelines may include. - ANSWER: Barriers placed on
counters tops.
Change gloves or use over gloves.
After all films are in the processor, wash and dry hands.
Radiation units and measurement are measured by: - ANSWER: Amount of x-ray
energy produced by an x-ray unit
Amount absorbed by the body
What absorbs more of the long wavelength radiation, not useful in producing
diagnostic imaging? - ANSWER: Aluminum filter
Radiographic equipment that can be sterilized include - ANSWER: Film holder
The embossed dot should face up when mounting - ANSWER: yes true
The optimum condition for processing in a manual processor is Develop for 10
minutes @ 68-70 degree - ANSWER: true
Determining correct exposure times when different cone (BID) lengths are utilized
and minimizing operator exposure is determined by the: - ANSWER: ALARA principle
X-ray are produced when a high speed electron strikes a - ANSWER: Target
What is the error is the film has a clear crescent or clear corner: - ANSWER:
Foreshortened
When using the panoramic machine there is no need to wrap the unit - ANSWER:
true
A herringbone or tire track pattern on a radiograph is a result of: - ANSWER: Film
bending
Whether using the manual or automatic processing techniques, improper handling
can result in : - ANSWER: Films sticking together
The varying shades of gray on a processed radiograph is termed: - ANSWER: Contrast
The purpose of this film is to record a major portion of the maxilla or mandible on
one film. - ANSWER: Occlusal
, ________________-is the time between exposure to radiation and the time the
effect becomes visible - ANSWER: Latent period
The two types of digital systems include: - ANSWER: Wired CCD and Wireless PSP
Exposure to radiation can best be reduced for patient by? - ANSWER: Use of F speed
film
Using the "F" speed film can reduce the radiation exposure to the patient by: -
ANSWER: 50%
Anatomical structures that appear dark gray to black on a processed radiograph are
described as being: - ANSWER: Radiolucent
Solution exposure to air and light with the manual processing technique can be
avoided by using a : - ANSWER: Tank cover
Time temperature processing means the - ANSWER: Processing time is dependent of
solution temperature
Collimators limit the size and shape of the - ANSWER: X-ray beam reaching the
patient
Another name for target is - ANSWER: Anode
Some of the advantages of digital radiographs include - ANSWER: Instant viewing less
radiation exposure to the patient
Remote consultation, images sent by e-mail
Which of the following tissues is considered to be the most radioresistant - ANSWER:
Muscle and nerve
Another name for Anode is ? - ANSWER: Target
How many minutes should you manually develop a radiograph and at what
temperature? - ANSWER: 4 ½ minutes @68⁰F
Two major types of dental examination are - ANSWER: Intraoral and extraorally
If a dental film has debris/dark spots on the film what is the most likely cause? -
ANSWER: Processing rollers were not clean
Film fogging can best be detected on stored radiograph film by - ANSWER: Using the
coin test