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Gxmo Ohio review Study Guide 100% Verified
And Updated 2025
Contrast - Answer✔The difference between any two adjacent portions of the image
Attenuation - Answer✔Absorption of the X-ray beam by matter
Scatter radiation - Answer✔Part of the X-ray beam that scatters in opposite direction, from the
patient. Has less energy than primary beam. Not easily controlled
Detent - Answer✔Special mechanism that stops the X-ray tube in a specific location.
Trendelenburgs position - Answer✔Flat on back with head lower 15 degrees
Grid - Answer✔Device that absorbs most of the scatter radiation coming off pt, preventing it
from reaching IR. Increases pt exposure.
Floating tabletop - Answer✔Allows the top of X-ray table to move independently, which makes
it easier to align body part
Bucky - Answer✔Grid and pull out tray to hold the IR plate and center it to Central ray
Stationary grid - Answer✔Grid that does not move during exposure
When to use a grid? - Answer✔10-12 cm or more in thickness or when kVp greater than 60
Upright cassette holder *UPRIGHT BUCKY* - Answer✔Hold IR in upright position. Mounted on
wall and able to be adjusted for height at 40 or 72 SID
Control console *panel* - Answer✔Where the limited operator sets exposure factors and
Initiates the exposure
Transformer cabinet - Answer✔Used to produce high voltage required for X-ray production
Fundamental rad safety - Answer✔The potential hazard is greater for the limited operator than
the pt because the limited operator is in frequent daily contact
Sources of radiation - Answer✔X-ray tube and any matter that is in the path of the X-ray beam
Principle source of scatter? - Answer✔The patient
1|Page
Gxmo Ohio review Study Guide 100% Verified
And Updated 2025
Contrast - Answer✔The difference between any two adjacent portions of the image
Attenuation - Answer✔Absorption of the X-ray beam by matter
Scatter radiation - Answer✔Part of the X-ray beam that scatters in opposite direction, from the
patient. Has less energy than primary beam. Not easily controlled
Detent - Answer✔Special mechanism that stops the X-ray tube in a specific location.
Trendelenburgs position - Answer✔Flat on back with head lower 15 degrees
Grid - Answer✔Device that absorbs most of the scatter radiation coming off pt, preventing it
from reaching IR. Increases pt exposure.
Floating tabletop - Answer✔Allows the top of X-ray table to move independently, which makes
it easier to align body part
Bucky - Answer✔Grid and pull out tray to hold the IR plate and center it to Central ray
Stationary grid - Answer✔Grid that does not move during exposure
When to use a grid? - Answer✔10-12 cm or more in thickness or when kVp greater than 60
Upright cassette holder *UPRIGHT BUCKY* - Answer✔Hold IR in upright position. Mounted on
wall and able to be adjusted for height at 40 or 72 SID
Control console *panel* - Answer✔Where the limited operator sets exposure factors and
Initiates the exposure
Transformer cabinet - Answer✔Used to produce high voltage required for X-ray production
Fundamental rad safety - Answer✔The potential hazard is greater for the limited operator than
the pt because the limited operator is in frequent daily contact
Sources of radiation - Answer✔X-ray tube and any matter that is in the path of the X-ray beam
Principle source of scatter? - Answer✔The patient
1|Page
