Devices
MISC
MISH MASH
POTPOURRI
Digital
100
What measures tube current?
What is mA meter
100
When testing the beam for correct alignment, the x-ray tube must be within_______degree(s) of perpendicular.
What is ONE ?
100
Below what kVp level is characteristic radiation no longer produced:
What is 70 kVp?
100
Each square picture element in a digital viewing monitor is termed:
What is Pixel?
100
Direct conversion DR processing requires how many steps?
What is ONE?
200
Pre-reading device:
What is kVp meter?
200
During the photoelectric effect the incoming photon interacts with the atom in patient's body, what happens to the photon?
What is totally absorbed by atom?
200
Unit of potential difference:
What is volt?
200
Size of flat panel detector inside the table of DR system:
What is 17 X 17?
200
Number of gray shades a digital x-ray system can reproduce:
What is dynamic range?
300
Duration of x-ray production is regulated by the:
What is the timer?
300
When performing a collimator test the four sides of collimator must each be within______% of SID.
What is 2%?
300
Which type of electromagnetic energy has the shortest wavelength?
What is x-rays?
300
In digital imaging quantum mottle occurs if:
What is: there are not enough photons reaching IR?
300
Viewing monitor's active viewing area is termed:
What is matrix?
400
Marks exposures or images on a radiograph that are not part of image:
What are artifacts?
400
BONUS:Temperature of developer in an automatic processor:(range)
What is 90 to 95 degrees?
400
Frequency of alternating current delivered by electrical utilities in US and Canada:
What is 60 Hz?
400
BONUS:What converts the light in the flat panel detector to an electric signal when using an indirect conversion DR system?
What is photodiode?
400
Ability to distinguish anatomical structures of similar subject contrast is called:
What is contrast resolution?
500
If body part is thicker, scatter radiation fog will:
What is increase?
500
Type of radiation produced in anode by sudden slowing and directional change of incoming electron:
What is Bremsstrahlung?
500
BONUS: What artifact can occur if the CR imaging plate receives too much background or scatter radiation? (Must have exact word)
What is fogging?
500
BONUS: Scope of practice for a limited operator includes:
What is: explain procedure to patient, and performing basic radiographic exams?
500
BONUS: A digital systems ability to convert the x-ray input signal into a useful diagnostic image is called:
What is signal to noise ratio(SNR)?
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