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Ohio GXMO Study Guide Review, Gxmo Ohio review
info (Questions from study guide from GXMO class.)
Questions & Answers Rated A+!!
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 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
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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 does isotropic mean? - (ANSWER)Equal in all directions
What happens when x-rays are absorbed by body tissue? - (ANSWER)Causes
ionization of atoms and molecules
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
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What type of cassette containing film receives x-ray beam? - (ANSWER)Film
based
What is a latent image? - (ANSWER)A hidden image
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
What does the collimator do? - (ANSWER)Limits the size of the radiation field
What does kVp control? - (ANSWER)The penetrating ability of the x-rays
What does mAs control? - (ANSWER)The quantity of x-rays produced
What is attenuation? - (ANSWER)Absorption of the x-ray beam within the
patients body
What material absorbs a high percentage of radiation? - (ANSWER)Lead
What is the anode? - (ANSWER)Positive charged, contains the target and is
heated to produce thermionic emission of electrons
Ohio GXMO Study Guide Review, Gxmo Ohio review
info (Questions from study guide from GXMO class.)
Questions & Answers Rated A+!!
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 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
,2|Page
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 does isotropic mean? - (ANSWER)Equal in all directions
What happens when x-rays are absorbed by body tissue? - (ANSWER)Causes
ionization of atoms and molecules
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
, 3|Page
What type of cassette containing film receives x-ray beam? - (ANSWER)Film
based
What is a latent image? - (ANSWER)A hidden image
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
What does the collimator do? - (ANSWER)Limits the size of the radiation field
What does kVp control? - (ANSWER)The penetrating ability of the x-rays
What does mAs control? - (ANSWER)The quantity of x-rays produced
What is attenuation? - (ANSWER)Absorption of the x-ray beam within the
patients body
What material absorbs a high percentage of radiation? - (ANSWER)Lead
What is the anode? - (ANSWER)Positive charged, contains the target and is
heated to produce thermionic emission of electrons
