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Ohio GXMO Study Guide Review Exam
Questions And Answers 100% Pass.
Who discovered x-rays? - Answer✔Wilhelm Conrad Roentgen
When were x-rays discovered? - Answer✔November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - Answer✔Maximize distance,
maximize shielding, minimize time
What is Erythema? - Answer✔Reddening of the skin
What is Anemia? - Answer✔Decrease of oxygen in blood, low blood count
What is Leukopenia? - Answer✔Low WBC count
What is epilation? - Answer✔Loss of hair
What does ALARA stand for? - Answer✔As Low As Reasonably Achievable
What is collimation? - Answer✔Limits the size/area of the x-ray beam
What is a proton? - Answer✔Positively charged, in nucleus of atom
What is a neutron? - Answer✔No electrical charge, in nucleus of atom
What is a electron? - Answer✔Negatively charged, in orbital shell around nucleus of an atom
What is an ion? - Answer✔A charged particle
What is ionization? - Answer✔Process of an electron leaving its orbit around a neutral atom
What is an ion pair? - Answer✔An electron and a positive charged atom
What does isotropic mean? - Answer✔Equal in all directions
What is energy? - Answer✔The ability to do work
What is mass? - Answer✔The quantity of matter
What is matter? - Answer✔Anything that occupies space and has mass
What travels at 186,000 miles/second? - Answer✔All electromagnetic radiation
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Does electromagnetic radiation have mass? - Answer✔No
What has higher energy than visible light? - Answer✔X-rays
What happens when x-rays are absorbed by body tissue? - Answer✔Causes ionization of atoms
and molecules
Ionization can result in what type of damage? - Answer✔Biological Damage
What is radioplaque? - Answer✔DOES NOT go through
What is radiolucent? - Answer✔Sees through
A special mechanism that stops tube movement at a specific location is? - Answer✔Detent
What device receives the energy of the x-ray beam and forms the image of the body part? -
Answer✔Image Receptor
What type of cassette containing film receives x-ray beam? - Answer✔Film based
What is a latent image? - Answer✔A hidden image
A cassette containing film receives the x-ray beam. The film now contains a latent image and
will become visible after being processed in a? - Answer✔Dark room
What type of cassette containing a phosphor plate receives the x-ray beam? -
Answer✔Computed Radiography
In CR, the phosphor plate will be scanned by a? - Answer✔Laser
An electronic plate receives the x-ray beam and produces and electronic signal that is sent
directly to a computer for processing and digital image formation? - Answer✔Direct/Digital
What prevents scatter radiation from reaching the IR? - Answer✔Grid
What includes a tray to hold the IR? - Answer✔Bucky
What does the collimator do? - Answer✔Limits the size of the radiation field
What does transverse mean? - Answer✔Movement of the x-ray tube across the patient from left
to right
What does longitudinal mean? - Answer✔Movement of the x-ray tube from the foot end toward
the head end of the patient
What does vertical mean? - Answer✔Movement of the x-ray tube from 30" to 40" inches about
the film
What does kVp control? - Answer✔The penetrating ability of the x-rays
What does mAs control? - Answer✔The quantity of x-rays produced
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Ohio GXMO Study Guide Review Exam
Questions And Answers 100% Pass.
Who discovered x-rays? - Answer✔Wilhelm Conrad Roentgen
When were x-rays discovered? - Answer✔November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - Answer✔Maximize distance,
maximize shielding, minimize time
What is Erythema? - Answer✔Reddening of the skin
What is Anemia? - Answer✔Decrease of oxygen in blood, low blood count
What is Leukopenia? - Answer✔Low WBC count
What is epilation? - Answer✔Loss of hair
What does ALARA stand for? - Answer✔As Low As Reasonably Achievable
What is collimation? - Answer✔Limits the size/area of the x-ray beam
What is a proton? - Answer✔Positively charged, in nucleus of atom
What is a neutron? - Answer✔No electrical charge, in nucleus of atom
What is a electron? - Answer✔Negatively charged, in orbital shell around nucleus of an atom
What is an ion? - Answer✔A charged particle
What is ionization? - Answer✔Process of an electron leaving its orbit around a neutral atom
What is an ion pair? - Answer✔An electron and a positive charged atom
What does isotropic mean? - Answer✔Equal in all directions
What is energy? - Answer✔The ability to do work
What is mass? - Answer✔The quantity of matter
What is matter? - Answer✔Anything that occupies space and has mass
What travels at 186,000 miles/second? - Answer✔All electromagnetic radiation
1|Page
, ©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED.
Does electromagnetic radiation have mass? - Answer✔No
What has higher energy than visible light? - Answer✔X-rays
What happens when x-rays are absorbed by body tissue? - Answer✔Causes ionization of atoms
and molecules
Ionization can result in what type of damage? - Answer✔Biological Damage
What is radioplaque? - Answer✔DOES NOT go through
What is radiolucent? - Answer✔Sees through
A special mechanism that stops tube movement at a specific location is? - Answer✔Detent
What device receives the energy of the x-ray beam and forms the image of the body part? -
Answer✔Image Receptor
What type of cassette containing film receives x-ray beam? - Answer✔Film based
What is a latent image? - Answer✔A hidden image
A cassette containing film receives the x-ray beam. The film now contains a latent image and
will become visible after being processed in a? - Answer✔Dark room
What type of cassette containing a phosphor plate receives the x-ray beam? -
Answer✔Computed Radiography
In CR, the phosphor plate will be scanned by a? - Answer✔Laser
An electronic plate receives the x-ray beam and produces and electronic signal that is sent
directly to a computer for processing and digital image formation? - Answer✔Direct/Digital
What prevents scatter radiation from reaching the IR? - Answer✔Grid
What includes a tray to hold the IR? - Answer✔Bucky
What does the collimator do? - Answer✔Limits the size of the radiation field
What does transverse mean? - Answer✔Movement of the x-ray tube across the patient from left
to right
What does longitudinal mean? - Answer✔Movement of the x-ray tube from the foot end toward
the head end of the patient
What does vertical mean? - Answer✔Movement of the x-ray tube from 30" to 40" inches about
the film
What does kVp control? - Answer✔The penetrating ability of the x-rays
What does mAs control? - Answer✔The quantity of x-rays produced
2|Page
