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