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ARRT Radiography Exam Review (1)
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ARRT Radiography Exam Review (1)
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ARRT Radiography Exam Review________ allows visualization of all shades of gray. - ANS-Postprocessing
________ are a calculation of the total heat produced during an x-ray exposure. -
ANS-Heat Units
________ blends patient care information, reporting and billing. - ANS-Hospital
Information System (HIS)
________ can be effective in identifying diffuse, nonfocal disease. - ANS-Highlighting
________ comprises of systems for image acquisition, display, network and storage. -
ANS-Picture Archiving and Communications System (PACS)
________ contains negatively and positively charged ions. - ANS-Iodinated Ionic
Contrast Media
________ controls the number of electrons passing from cathode to anode in the x-ray
tube, and the quantity of x-rays produced at the anode. - ANS-mAs
________ directly effects the energy or quality of the x-rays produced. - ANS-kVp
________ do not ionize into separate negative and positive charges. - ANS-Iodinated
Nonionic Contrast Media
________ dosimeters use aluminum oxide to record dose. - ANS-OSL
________ dosimeters use lithium fluoride crystals instead of film to record dose. -
ANS-TLD
________ exposure latitude makes for better visualization of soft tissues and bone. -
ANS-Wide
________ has a far lower incidence of contrast agent reactions because it is not
ionized. - ANS-Iodinated Nonionic Contrast Media
________ in DR is pixel limited. - ANS-Spacial Resolution
,________ is a comprehensive collection of patient information stored in a digital format
that may be shared across networks. Data may include history, medications, allergies,
test results and vital signs. - ANS-Electronic Medical Record (EMR)
________ is a standard protocol used for blending PACS and various imaging
modalities. - ANS-Digital Imaging and Communications in Medicine (DICOM)
________ is germ (sperm or ovum) cell division that halves the number of
chromosomes in each cell so that the union of two germ cells produces a new cell with
46 chromosomes. - ANS-Meiosis
________ is somatic cell division that comprises of four phases. When division is
complete, each new cell contains 46 chromosomes. - ANS-Mitosis
________ is the distance at which focused grids may be used. - ANS-Grid Focus
________ is the process of remote transmission and viewing of images. -
ANS-Teleradiology
________ is the product of ABSORBED DOSE TIMES the RADIATION WEIGHTING
factor TIMES the TISSUE WEIGHTING factor. - ANS-Effective Dose
________ is the unit of effective and equivalent dose. - ANS-Sievert (Sv)
________ is used for ordering procedures and reporting results. - ANS-Radiology
Information System (RIS)
________ is used to provide consistency of radiographic quality. - ANS-Automatic
Exposure Control (AEC)
________ is where digital imaging shines. - ANS-Postprocessing
________ of water occurs as radiation energy is deposited into the water of a cell. -
ANS-Radiolysis
________ radiology uses the numeric value of pixels to help in diagnosis. -
ANS-Quantitative
,________ range is the number of gray shades that an imaging system can reproduce. -
ANS-Dynamic
________ resolution is more important that ________ resolution when soft tissue is
imaged. - ANS-1) Contrast
2) Spacial
________ results in a grainy or noisy image. - ANS-Quantum Mottle
________ shock (or ________) is a reaction to foreign proteins after injections, and may
follow injection of iodinated contrast media. - ANS-1) Allergic
2) Anaphylaxis
________ shock is when BLOOD POOLS in PERIPHERAL VESSELS. -
ANS-Neurogenic
________ shock results from CARDIAC FAILURE or other interference with heart
function. - ANS-Cardiogenic
________ spacial frequency indicates better spacial ________. - ANS-1) Higher
2) Resolution
________ takes into account the BIOLOGIC IMPACT OF the type and ENERGY of the
radiation being used. - ANS-Radiation weighting factor (Wᴿ).
________ use film that is similar to dental x-ray film. - ANS-Film Badges
- - ANS-Negative
*Study guide for the ARRT exam in radiography.* - ANS-*Anatomy and positioning are
not covered in this study guide.*
↑ - ANS-Increased
↓ - ANS-Decreased
∆ - ANS-Change
+ - ANS-Positive
, ♀ - ANS-Female
♂ - ANS-Male
12-bit (2¹²) systems contain ________ shades of gray. - ANS-4096
14-bit (2¹⁴) systems contain ________ shades of gray. - ANS-16,384
16-bit (2¹⁶) systems contain ________ shades of gray. - ANS-65,536
2⁰ - ANS-Due to, Secondary to
A ________ is a modern generator that takes advantage of extremely short time
capabilities and tube heat-loading potential. - ANS-Falling Load Generator
A ________ is constructed to show the radiographer the distribution of pixel values
(indicating low, proper, or high exposure). - ANS-Histogram
A ________ is used to detect radioactive particles in nuclear medicine facilities. -
ANS-Geiger-Mueller Detector
A ________ is used to measure radiation in an area, storage areas for radioisotopes,
doses traveling through barriers, and patients who have radioactive sources within
them. - ANS-Handheld Ionization Chamber
A ________ is used to regulate the duration of the x-ray exposure. - ANS-Timer
A ________ joint has opposing surfaces that are concavo-convex, and allow flexion,
extension, adduction and abduction, such as the carpometacarpal joint of the thumb. -
ANS-Saddle
A ________ joint is capable of movement in an infinite number of axes, and has a round
head of one bone that moves in a cuplike cavity of the approximating base, such as a
hip. - ANS-Ball and Socket
A ________ joint is capable of permitting articulation of contiguous bones and allows
only for gliding momements, such as a wrist or ankle. - ANS-Gliding
A ________ joint permits motion in one plane only, such as an elbow. - ANS-Hinge
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