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51 Cards in this Set
- Front
- Back
(Blank) is a process by which electrons are removed from electrically stable atoms |
Ionization |
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The primary components of a dental x-ray machine are the |
(All of the above) tubehead, PID, extension arm |
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The name of the negative electrode inside of the X-ray tube is the? |
Cathode |
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The name of the positive electrode inside the X-ray tube is the? |
Anode |
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What is located on the X-ray control panel? |
Milliamperage mA selector |
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What are the types of radiation |
(A and B) primary and secondary |
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The structure that appears dark on a processed radiograph is |
Radiolucent |
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The structure that appears light on the processed radiograph is |
Radiopaque |
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Density is the |
Overall darkness of a processed radiograph |
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The term of the process for the harmful effects of X-ray is |
Ionization |
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The period of time between X-ray exposure and the appearance of symptoms is the |
Latent period |
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Radiation that is passed on to future generations is |
The genetic effect |
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The maximum permissible dose of radiation for occupationally exposed persons is |
5.0 rem per year |
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The purpose of the collimator is to |
Restrict the size of primary beam |
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The purpose of the aluminum filter is to |
Remove the low energy, log wavelength rays |
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Which patient should wear a lead apron or thyroid collar |
All of them |
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What is the purpose for personnel monitoring |
To record the amount of radiation the operator receives |
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What is the purpose for equipment monitoring |
To check radiation leakage |
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What states that “all exposure to radiation should be kept to a minimum” or “as low as reasonably achievable” |
The ALARA concept |
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What is the purpose of using a PID (position indicator device) |
To direct the X-ray beam |
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How does a film holder protect the patient from unnecessary radiation |
It keeps the patients’ hands and fingers from being exposed to x radiation |
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Describe a basic type of film holder |
Bite block with a backing plate and a slot for retention |
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Name a component of an intraoral film |
Film emulsion |
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The image on the film before it is processed is the |
Latent image |
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Which side of the film faces towards the tube |
Plain side |
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What size film is used for posterior periapical radiographer |
2 |
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What size of film is used for occlusal |
4 |
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Describe the types of extra oral film cassettes |
(A and b) flexible and rigid |
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What converts x Ray energy into visible light |
Intensifying screen |
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When would you need to duplicate a radiographer |
(b and c) to send to an insurance company and to refer a patient to a specialist |
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How should x Ray film be stored |
Away from light |
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Where is the expiration date on a package of X-ray film |
Outside of box |
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What is the second step in manually processing dental radiographs |
Rinsing |
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What is the most popular form of processing solution |
Liquid concentrate |
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How often should processing solution be replenished |
Daily |
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What is low intensity light composed of ion wavelengths in the red orange spectrum |
Safelight |
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What is the minimum distance between a safelight and the working area |
4 feet |
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What is the optimum temperature for the water in the manual processing tanks |
68 degrees F |
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What is the major advantage of automatic film processing |
It saves time |
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Are manual processing solutions and automatic processing solutions interchangeable |
No |
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When should you check a box of films expiration date |
Each time you open a new box |
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Which of the following is a critical area in a quality control program |
Film processing |
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How often should processing solutions be replenished |
Daily |
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Why is reference radiograph and stepwedge used |
To check the densities and contrast |
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How can you tell when the fixer is losing strength |
When film takes longer to clear |
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What is the purpose of quality administration program |
It deals with management of the quality assurance program |
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Which staff members need to be aware of the quality administration program |
(All of the above) |
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What surfaces must be covered with a barrier |
Any surfaces that are not easily cleaned and disinfected |
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What precautions should not be taken when handling contaminated film |
Wiping the film with a liquid sterilant |
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What is the minimum PPE the operator should wear while exposing radiographs |
Gloves |
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In dental radiography not all x rays pass through the patient and reach the dental film the patients tissues absorb some x rays when the energy from the x Ray proton is absorbed chemical changes result in biological tissue damage. |
True |