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Stack #4691491

QuestionAnswer
What is the 2nd leading cause of death from cancer in women? Breast cancer
What are the types of mammography? 1.screening 2.diagnostic 3.baseline
What are the 3principle tissues of the breast? fibrous, glandular, and adipose (fat)
What level of X-ray energy does photoelectric absorption predominates over Compton scattering? Low (20-39 kVp)
Define Microcalcifications on an image? Bright white spots
Which breast tissue is most sensitive to cancer induction by radiation ? Glandular tissue
The mammography repeat rate should not exceed __ 1%
The structures in the eye that are responsible for the sensation of vision are called __ & __ Rods & cones
Define flux gain Number of output light photons/number of input x-ray photons
Define brightness gain minification gain × flux gain
Define Minification gain (Diameter input \ diameter output )^2
Define conversion factor Output phosphor illumination (cd/m2)/input exposure rate (mGya/s)
Define modulation change in a quantity or signal in response to another quantity or signal and is widely used in medical imaging.
What is the rate for video monitoring? 30 frames per second
What is the exposure rate between normal fluoroscopy & interventional fluoroscopy? Normal fluoro: ESE ≤ 100 mGyt/min Interventional fluoro: ESE ≤ 100 mGyt/min
Created by: Aaliyah602
 

 



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