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exam 2

QuestionAnswer
mAs controls photon quantity
kVp controls photon energy and quantity
prime factors kVp, mAs, filtration, voltage ripple
contrast controlled by kVp
quality beam penetrability (kVP)
quantity intensity (mAs)
asthenic thin
hyposthenic thin/heavier
sthenic average
hypersthenic broad/heavy
rods detect low light
cones detect color and detail
compton scatter primary source
grids increase contrast
15% rule increase kvp by 15%=double ir exposure
foreshortening occurs when anatomy is angled
elongation occurs when the tube or ir is angled improperly
Created by: bquinonez23
 

 



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