Update| Real-Based Questions with
Verified Answers|Graded A+
________ allows visualization of all shades of gray. - Correct Answers-Postprocessing
________ are a calculation of the total heat produced during an x-ray exposure. - Correct
Answers-Heat Units
________ blends patient care information, reporting and billing. - Correct Answers-Hospital
Information System (HIS)
________ can be effective in identifying diffuse, nonfocal disease. - Correct Answers-
Highlighting
________ comprises of systems for image acquisition, display, network and storage. - Correct
Answers-Picture Archiving and Communications System (PACS)
________ contains negatively and positively charged ions. - Correct Answers-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. - Correct Answers-mAs
________ directly effects the energy or quality of the x-rays produced. - Correct Answers-
kVp
________ do not ionize into separate negative and positive charges. - Correct Answers-
Iodinated Nonionic Contrast Media
________ dosimeters use aluminum oxide to record dose. - Correct Answers-OSL
________ dosimeters use lithium fluoride crystals instead of film to record dose. - Correct
Answers-TLD
________ exposure latitude makes for better visualization of soft tissues and bone. - Correct
Answers-Wide
________ has a far lower incidence of contrast agent reactions because it is not ionized. -
Correct Answers-Iodinated Nonionic Contrast Media
,________ in DR is pixel limited. - Correct Answers-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. - Correct Answers-Electronic Medical Record (EMR)
________ is a standard protocol used for blending PACS and various imaging modalities. -
Correct Answers-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. - Correct
Answers-Meiosis
________ is somatic cell division that comprises of four phases. When division is complete, each
new cell contains 46 chromosomes. - Correct Answers-Mitosis
________ is the distance at which focused grids may be used. - Correct Answers-Grid Focus
________ is the process of remote transmission and viewing of images. - Correct Answers-
Teleradiology
________ is the product of ABSORBED DOSE TIMES the RADIATION WEIGHTING factor TIMES
the TISSUE WEIGHTING factor. - Correct Answers-Effective Dose
________ is the unit of effective and equivalent dose. - Correct Answers-Sievert (Sv)
________ is used for ordering procedures and reporting results. - Correct Answers-Radiology
Information System (RIS)
________ is used to provide consistency of radiographic quality. - Correct Answers-
Automatic Exposure Control (AEC)
________ is where digital imaging shines. - Correct Answers-Postprocessing
________ of water occurs as radiation energy is deposited into the water of a cell. - Correct
Answers-Radiolysis
________ radiology uses the numeric value of pixels to help in diagnosis. - Correct Answers-
Quantitative
________ range is the number of gray shades that an imaging system can reproduce. -
Correct Answers-Dynamic
,________ resolution is more important that ________ resolution when soft tissue is imaged. -
Correct Answers-1) Contrast
2) Spacial
________ results in a grainy or noisy image. - Correct Answers-Quantum Mottle
________ shock (or ________) is a reaction to foreign proteins after injections, and may follow
injection of iodinated contrast media. - Correct Answers-1) Allergic
2) Anaphylaxis
________ shock is when BLOOD POOLS in PERIPHERAL VESSELS. - Correct Answers-
Neurogenic
________ shock results from CARDIAC FAILURE or other interference with heart function. -
Correct Answers-Cardiogenic
________ spacial frequency indicates better spacial ________. - Correct Answers-1) Higher
2) Resolution
________ takes into account the BIOLOGIC IMPACT OF the type and ENERGY of the radiation
being used. - Correct Answers-Radiation weighting factor (Wᴿ).
________ use film that is similar to dental x-ray film. - Correct Answers-Film Badges
-- Correct Answers-Negative
*Study guide for the ARRT exam in radiography.* - Correct Answers-*Anatomy and
positioning are not covered in this study guide.*
↑- Correct Answers-Increased
↓- Correct Answers-Decreased
∆- Correct Answers-Change
+- Correct Answers-Positive
♀- Correct Answers-Female
♂- Correct Answers-Male
12-bit (2¹²) systems contain ________ shades of gray. - Correct Answers-4096
14-bit (2¹⁴) systems contain ________ shades of gray. - Correct Answers-16,384
, 16-bit (2¹⁶) systems contain ________ shades of gray. - Correct Answers-65,536
2⁰ - Correct Answers-Due to, Secondary to
A ________ is a modern generator that takes advantage of extremely short time capabilities and
tube heat-loading potential. - Correct Answers-Falling Load Generator
A ________ is constructed to show the radiographer the distribution of pixel values (indicating
low, proper, or high exposure). - Correct Answers-Histogram
A ________ is used to detect radioactive particles in nuclear medicine facilities. - Correct
Answers-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. - Correct
Answers-Handheld Ionization Chamber
A ________ is used to regulate the duration of the x-ray exposure. - Correct Answers-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. - Correct
Answers-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. - Correct
Answers-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. - Correct Answers-Gliding
A ________ joint permits motion in one plane only, such as an elbow. - Correct Answers-
Hinge
A ________ joint permits movement in two directions at right angles to one another.
Circumduction is possible, but rotation is not. Occurs in areas such as the radiocarpal joints. -
Correct Answers-Condyloid
A ________ joint permits rotary movement in which a ring rotates around a central axis, such as
a proximal radio-ulner articulation. - Correct Answers-Pivot
A ________ skull is considered to be a typical skull. - Correct Answers-Mesocephalic
A ________ skull is long from front to back, narrow from side to side, and deep from vertex to
base. - Correct Answers-Dolichocephalic