Random
Random
Random
Random
Random
100
The bisecting technique is the perferred technique when taking x-rays. True or False?
What is False
100
What is the main purpose of bitewing x-rays?
What is detecting interproximal caries
100
What device is used to facilitate positioning the film parallel to the teeth?
What is a film holding device.
100
Who discovered x-rays?
What is Wilhelm Conrad Roentgen
100
What is the maximum number of electron shells (energy levels) an atom can have?
What is 7
200
Who introduced the bitewing radiograph?
What is Howard Riley Raper
200
During x-ray exposure, leaving your patients eyeglasses on is okay. It will help protect their eyes. True or False?
What is False!
200
What are the units used to describe angulation?
What is degrees.
200
When the open end of the PID is tilted toward the floor the vertical angle is called ____________?
What is positive
200
White areas on a radiographic images are called what?
What is Radiopaque
300
True of False? Early dental x-ray machines were an electrical hazard to the radiographers?
What is True!
300
What is the best way to reduce patient risk from radiation exposure?
What is keep exposures ALARA
300
What x-ray images the entire tooth, from crown to root tip?
What is a periapical.
300
How frequently should the processing solutions be changed?
What is at least every 4 weeks under "normal" use.
300
What does ALARA stand for?
What is As Low As Reasonably Achievable
400
Who encouraged the practical use of radiographs in dentistry?
What is Dr.C Edmund Kells
400
How many eledtrical circuts are used in a dental x-ray machine?
What is two! :)
400
If you have a small focal spot, does it reduce or magnify the effects of penumbra?
What is reduce!!!!!
400
What is the LD 50/30 for humans?
What is 4.5 grays
400
Pure aluminum will not hinder the passage of high-energy x-rays. True or False?
What is True
500
The identification dot on an occlusal film should be placed toward the posterior of the oral cavity. True or False?
What is False
500
Who developed the hot cathode ray tube?
What is William David Coolidge.
500
When placing a fil packet into a sensitive area, the radiographer should ask the patient what?
What is "Does that feel okay?" or "Are you comfortable?"
500
What does liable mean?
What is legally obligated to make good any loss ordamage that may occur.
500
Inadequate vertical angulation using the bisecting technique will result in what radiographic mess-up?
What is a elongation error
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