OHIO GXMO UPDATED TEST PAPER QUESTIONS
AND ANSWERS SET A+
✔✔Computed Radiography (CR) - ✔✔One of two types of digital imaging systems.
Cassette based and uses a photostimulable phosphor as the image receptor
✔✔Computed Tomography (CT) - ✔✔radiography in which a three-dimensional image
of a body structure is constructed by computer from a series of plane cross-sectional
images made along an axis
✔✔Contrast - ✔✔degree of difference between light and dark areas of a radiograph
✔✔Contrast Resolution - ✔✔The ability to distinguish anatomical structures of similar
subject contrast such as liver-spleen and gray matter-white matter
✔✔Control Badge - ✔✔Extra personal dosimeter that is used to measure any radiation
exposure that might occur to the entire batch while in transit. It should be stored away
from any possibility of x-ray exposure.
✔✔Control Booth - ✔✔The area where the control console is located. It is separated
from the x-ray room by a lead barrier to protect the operator from scatter radiation
✔✔Control Console - ✔✔The access point at which the operator sets the exposure
factors and initiates exposure
✔✔Conventional System - ✔✔One of two systems used to measure radiation and
radiation dose.
✔✔CR Reader - ✔✔Unit used in computed radiography to scan and process the latent
image
, ✔✔Dead Man Switch - ✔✔A switch that is automatically operated if the human operator
becomes incapacitated, such as through death, loss of consciousness, or being bodily
removed from control
✔✔Decubitus - ✔✔The patient is recumbent or lying down and the x-ray beam is
horizontal
✔✔Densitometer - ✔✔Instrument that measures the optical density of exposed film
✔✔Density - ✔✔Overall blackness of the radiograph
✔✔Detail - ✔✔Degree of sharpness of structural lines on a radiograph
✔✔Detent - ✔✔A special mechanism built into tube supports to stop movement in a
specific location
✔✔Differential Absorption - ✔✔different degrees of absorption in different tissues that
result in image contrast and formation of the x-ray image
✔✔Differential Attenuation - ✔✔Different degrees of absorption in different tissues that
result in image contrast and formation of the x-ray image
✔✔Digital (Direct) Radiography - ✔✔One of the two types of digital imaging systems.
cassette-less because these systems do not use a cassette with phosphors. Instead the
phosphor is bonded to a flat panel detector built into the x-ray table.
✔✔Digital Imaging and Communications in Medicine (DICOM) - ✔✔The universally
accepted standard for the storage, transmission, and display of medical images
✔✔Direct Conversion - ✔✔Detectors convert the x-ray energy directly to an electric
signal through an amorphous selenium detector without the light conversion.
✔✔Direct Hit - ✔✔When the x-ray photon strikes the DNA and causes damage
✔✔Direct supervision - ✔✔Guidance and instruction provided to a general x-ray
machine operator by a licensed practitioner who is present at the location, and in such
immediate proximity so that the licensed practitioner can provide timely consultation and
direction when the operator is performing radiologic procedures
✔✔Distal - ✔✔situated away from the center of the body, or from the point of origin;
specifically applied to the extremity or distant part of a limb or organ
✔✔Distortion - ✔✔misrepresentation of the true size or shape of the image
AND ANSWERS SET A+
✔✔Computed Radiography (CR) - ✔✔One of two types of digital imaging systems.
Cassette based and uses a photostimulable phosphor as the image receptor
✔✔Computed Tomography (CT) - ✔✔radiography in which a three-dimensional image
of a body structure is constructed by computer from a series of plane cross-sectional
images made along an axis
✔✔Contrast - ✔✔degree of difference between light and dark areas of a radiograph
✔✔Contrast Resolution - ✔✔The ability to distinguish anatomical structures of similar
subject contrast such as liver-spleen and gray matter-white matter
✔✔Control Badge - ✔✔Extra personal dosimeter that is used to measure any radiation
exposure that might occur to the entire batch while in transit. It should be stored away
from any possibility of x-ray exposure.
✔✔Control Booth - ✔✔The area where the control console is located. It is separated
from the x-ray room by a lead barrier to protect the operator from scatter radiation
✔✔Control Console - ✔✔The access point at which the operator sets the exposure
factors and initiates exposure
✔✔Conventional System - ✔✔One of two systems used to measure radiation and
radiation dose.
✔✔CR Reader - ✔✔Unit used in computed radiography to scan and process the latent
image
, ✔✔Dead Man Switch - ✔✔A switch that is automatically operated if the human operator
becomes incapacitated, such as through death, loss of consciousness, or being bodily
removed from control
✔✔Decubitus - ✔✔The patient is recumbent or lying down and the x-ray beam is
horizontal
✔✔Densitometer - ✔✔Instrument that measures the optical density of exposed film
✔✔Density - ✔✔Overall blackness of the radiograph
✔✔Detail - ✔✔Degree of sharpness of structural lines on a radiograph
✔✔Detent - ✔✔A special mechanism built into tube supports to stop movement in a
specific location
✔✔Differential Absorption - ✔✔different degrees of absorption in different tissues that
result in image contrast and formation of the x-ray image
✔✔Differential Attenuation - ✔✔Different degrees of absorption in different tissues that
result in image contrast and formation of the x-ray image
✔✔Digital (Direct) Radiography - ✔✔One of the two types of digital imaging systems.
cassette-less because these systems do not use a cassette with phosphors. Instead the
phosphor is bonded to a flat panel detector built into the x-ray table.
✔✔Digital Imaging and Communications in Medicine (DICOM) - ✔✔The universally
accepted standard for the storage, transmission, and display of medical images
✔✔Direct Conversion - ✔✔Detectors convert the x-ray energy directly to an electric
signal through an amorphous selenium detector without the light conversion.
✔✔Direct Hit - ✔✔When the x-ray photon strikes the DNA and causes damage
✔✔Direct supervision - ✔✔Guidance and instruction provided to a general x-ray
machine operator by a licensed practitioner who is present at the location, and in such
immediate proximity so that the licensed practitioner can provide timely consultation and
direction when the operator is performing radiologic procedures
✔✔Distal - ✔✔situated away from the center of the body, or from the point of origin;
specifically applied to the extremity or distant part of a limb or organ
✔✔Distortion - ✔✔misrepresentation of the true size or shape of the image
