Nuclear Medicine Boar Exam Review 2 Questions and Answers
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Course
Nuclear Medicine Board
Institution
Nuclear Medicine Board
what is contrast media used for?
Ans- to distinguish adjacent tissue on an image
how can contrast medias be defined?
Ans- negative or positive agents
what does the classification of contrast medias depend on?
Ans- the media's ability to absorb an x-ray beam
negative contrast medias are ______...
Nuclear Medicine Boar
Exam Review 2 Questions
and Answers
what is contrast media used for?
Ans- to distinguish adjacent tissue on an image
how can contrast medias be defined?
Ans- negative or positive agents
what does the classification of contrast medias depend on?
Ans- the media's ability to absorb an x-ray beam
negative contrast medias are ________________ so x-ray photons are
_______________________.
Ans- radiolucent
, easily transmittable
how do negative contrast medias appear on a scan?
Ans- they appear with an increase in density (darkness)
positive contrast media have _________________________ attenuation of
the x-ray beam and produce a _______________in density of the image
Ans- increased
decrease
positive contrast media are ________________ to x-ray photons
Ans- opaque
how do positive contrast media agents appear on a scan?
Ans- light or bright on an image
barium swallow contrast agents allow visualization of what area of the body?
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