8/28 Quiz Flashcards
AIl, EXCEPT one, are advantages of digital imaging.
Which one is the EXCEPTION?
a. Eliminates hazardous wastes.
b. Enriches chemical processing.
C. Electronically transferable.
d. Film requires more radiation than digital receptors.
enriches chemical processing
production of a digital image requires a process called ___
analog-to-digical conversion (ADC)
which is the significant feature of solid-state detectors
rapid image production
which is the purpose of the layer scintillating material coated directly on the charge-coupled device (CCD) surface?
increase x-ray absorption efficiency
which is the main difference between the CCD technology and the complementary metal oxide semiconductor (CMOS) technology
manner in which pixels are read
which technique is used to eliminate PSP plate ghost images
flood used plate with bright light
which best explains why PSP plates should be processed as soon as possible
trapped electrons are spontaneously released over time
the ability of the digital detector to distinguish different dentisites in the radiographic image is called
contrast resolution
any operation that acts to improve, restore, analyze, or change a digital image is called
NO ANSWER
which is the purpose of smoothing fiters
remove blur or noise - improve image quality
the accuracy of digital imaging mesuarement tool is MOST dependent on what
projection geometry
which is the advantage of CCD/CMOS dental imaging over PSP dental imaging
no processing required
which results in a nonuniform image density
incomplete erasure of previous images
All, EXCEPT one, are disadvantages to digital imaging. Which one is the EXCEPTION?
a. Initial expense.
b. Inferior image quality.
C. Sensitivity to damage.
d. likelihood of obsolete technology
inferior image quality
