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OHIO GXMO STUDY GUIDE REVIEW (ACTUAL
2025/2026)(QUESTIONS FROM STUDY GUIDE FROM
GXMO CLASS.) QUESTIONS & ANSWERS RATED A+
Who discovered x-rays? - (answers)Wilhelm Conrad Roentgen
When were x-rays discovered? - (answers)November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - (answers)Maximize
distance, maximize shielding, minimize time
What is Erythema? - (answers)Reddening of the skin
What is Anemia? - (answers)Decrease of oxygen in blood, low blood count
What is Leukopenia? - (answers)Low WBC count
What is epilation? - (answers)Loss of hair
What does ALARA stand for? - (answers)As Low As Reasonably Achievable
What is collimation? - (answers)Limits the size/area of the x-ray beam
What is a proton? - (answers)Positively charged, in nucleus of atom
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What is a neutron? - (answers)No electrical charge, in nucleus of atom
What is a electron? - (answers)Negatively charged, in orbital shell around nucleus
of an atom
What is an ion? - (answers)A charged particle
What is ionization? - (answers)Process of an electron leaving its orbit around a
neutral atom
What is an ion pair? - (answers)An electron and a positive charged atom
What does isotropic mean? - (answers)Equal in all directions
What is energy? - (answers)The ability to do work
What is mass? - (answers)The quantity of matter
What is matter? - (answers)Anything that occupies space and has mass
What travels at 186,000 miles/second? - (answers)All electromagnetic radiation
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Does electromagnetic radiation have mass? - (answers)No
What has higher energy than visible light? - (answers)X-rays
What happens when x-rays are absorbed by body tissue? - (answers)Causes
ionization of atoms and molecules
Ionization can result in what type of damage? - (answers)Biological Damage
What is radioplaque? - (answers)DOES NOT go through
What is radiolucent? - (answers)Sees through
A special mechanism that stops tube movement at a specific location is? -
(answers)Detent
What device receives the energy of the x-ray beam and forms the image of the
body part? - (answers)Image Receptor
What type of cassette containing film receives x-ray beam? - (answers)Film based
What is a latent image? - (answers)A hidden image
OHIO GXMO STUDY GUIDE REVIEW (ACTUAL
2025/2026)(QUESTIONS FROM STUDY GUIDE FROM
GXMO CLASS.) QUESTIONS & ANSWERS RATED A+
Who discovered x-rays? - (answers)Wilhelm Conrad Roentgen
When were x-rays discovered? - (answers)November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - (answers)Maximize
distance, maximize shielding, minimize time
What is Erythema? - (answers)Reddening of the skin
What is Anemia? - (answers)Decrease of oxygen in blood, low blood count
What is Leukopenia? - (answers)Low WBC count
What is epilation? - (answers)Loss of hair
What does ALARA stand for? - (answers)As Low As Reasonably Achievable
What is collimation? - (answers)Limits the size/area of the x-ray beam
What is a proton? - (answers)Positively charged, in nucleus of atom
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What is a neutron? - (answers)No electrical charge, in nucleus of atom
What is a electron? - (answers)Negatively charged, in orbital shell around nucleus
of an atom
What is an ion? - (answers)A charged particle
What is ionization? - (answers)Process of an electron leaving its orbit around a
neutral atom
What is an ion pair? - (answers)An electron and a positive charged atom
What does isotropic mean? - (answers)Equal in all directions
What is energy? - (answers)The ability to do work
What is mass? - (answers)The quantity of matter
What is matter? - (answers)Anything that occupies space and has mass
What travels at 186,000 miles/second? - (answers)All electromagnetic radiation
, 3|Page
Does electromagnetic radiation have mass? - (answers)No
What has higher energy than visible light? - (answers)X-rays
What happens when x-rays are absorbed by body tissue? - (answers)Causes
ionization of atoms and molecules
Ionization can result in what type of damage? - (answers)Biological Damage
What is radioplaque? - (answers)DOES NOT go through
What is radiolucent? - (answers)Sees through
A special mechanism that stops tube movement at a specific location is? -
(answers)Detent
What device receives the energy of the x-ray beam and forms the image of the
body part? - (answers)Image Receptor
What type of cassette containing film receives x-ray beam? - (answers)Film based
What is a latent image? - (answers)A hidden image
