OHIO GXMO STUDY GUIDE REVIEW
QUESTIONS AND ANSWERS 100%
CORRECT
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
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 type of x-ray would the electron strike the target interacting with target atom
nucleus, slows down, losing kinetic energy that is converted into an x-ray? - ANSWER-
Bremmstrahlung x-ray
What type of x-ray would the electron strike the target while ejecting the inner shell
electron of target atom, an outer shell electron would then fill the vacancy with the
release of x-ray photon - ANSWER-Characteristic x-ray
What is a focusing cup? - ANSWER-Propels electrons towards a specific area of the
anode target
What is the focal spot? - ANSWER-Area of the target which electrons interact
What rotates during exposure? - ANSWER-Anode
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
QUESTIONS AND ANSWERS 100%
CORRECT
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
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 type of x-ray would the electron strike the target interacting with target atom
nucleus, slows down, losing kinetic energy that is converted into an x-ray? - ANSWER-
Bremmstrahlung x-ray
What type of x-ray would the electron strike the target while ejecting the inner shell
electron of target atom, an outer shell electron would then fill the vacancy with the
release of x-ray photon - ANSWER-Characteristic x-ray
What is a focusing cup? - ANSWER-Propels electrons towards a specific area of the
anode target
What is the focal spot? - ANSWER-Area of the target which electrons interact
What rotates during exposure? - ANSWER-Anode
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
