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Stack #4585150

QuestionAnswer
1. kVp Controls x-ray beam energy
2. mAs Controls x-ray intensity & patient radiation dose
3. Exposure time shorter exposure times reduces motion blur
4.Inverse square law allows technologist to calculate the necessary change in mAs after a change in SID to maintain constant IR response.
5.body habitus Sthenic, Hyposthenic, Hypersthenic, Asthenic
6.Thickness thicker body parts require more x-radiation to penetrate through the patient to expose IR
7.calipers use to measure thickness of body part being imaged.
8.Distortion misrepresentation of object size and shape on the image
9.Elongation anatomy being imaged appears bigger than normal
10.photopic bright-light vision with cones
11.scotopic dim-light vision with rods
12.lumen basic unit of photometry
13.Luminous flux total intensity of light from a source
14.Illuminance intensity of light incident on a surface
15.Luminance intensity luminous flux that is emitted into the entire viewing area
Created by: Lozano34
 

 



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