QUESTIONS & CORRECT ANSWERS
________ allows visualization of all shades of gray. - CORRECT
ANSWER - Postprocessing
________ are a calculation of the total heat produced during an
x-ray exposure. - CORRECT ANSWER - Heat Units
________ blends patient care information, reporting and billing.
- CORRECT ANSWER - Hospital Information System (HIS)
________ can be effective in identifying diffuse, nonfocal
disease. - CORRECT ANSWER - Highlighting
________ comprises of systems for image acquisition, display,
network and storage. - CORRECT ANSWER - Picture Archiving
and Communications System (PACS)
________ contains negatively and positively charged ions. -
CORRECT ANSWER - 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 ANSWER - mAs
________ directly effects the energy or quality of the x-rays
produced. - CORRECT ANSWER - kVp
________ do not ionize into separate negative and positive
charges. - CORRECT ANSWER - Iodinated Nonionic Contrast
Media
________ dosimeters use aluminum oxide to record dose. -
CORRECT ANSWER - OSL
________ dosimeters use lithium fluoride crystals instead of film
to record dose. - CORRECT ANSWER - TLD
________ exposure latitude makes for better visualization of soft
tissues and bone. - CORRECT ANSWER - Wide
________ has a far lower incidence of contrast agent reactions
because it is not ionized. - CORRECT ANSWER - Iodinated
Nonionic Contrast Media
,________ in DR is pixel limited. - CORRECT ANSWER - 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 ANSWER - Electronic Medical Record
(EMR)
________ is a standard protocol used for blending PACS and
various imaging modalities. - CORRECT ANSWER - 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 ANSWER - Meiosis
________ is somatic cell division that comprises of four phases.
When division is complete, each new cell contains 46
chromosomes. - CORRECT ANSWER - Mitosis
, ________ is the distance at which focused grids may be used. -
CORRECT ANSWER - Grid Focus
________ is the process of remote transmission and viewing of
images. - CORRECT ANSWER - Teleradiology
________ is the product of ABSORBED DOSE TIMES the
RADIATION WEIGHTING factor TIMES the TISSUE WEIGHTING
factor. - CORRECT ANSWER - Effective Dose
________ is the unit of effective and equivalent dose. -
CORRECT ANSWER - Sievert (Sv)
________ is used for ordering procedures and reporting results.
- CORRECT ANSWER - Radiology Information System (RIS)
________ is used to provide consistency of radiographic quality.
- CORRECT ANSWER - Automatic Exposure Control (AEC)
________ is where digital imaging shines. - CORRECT ANSWER
- Postprocessing