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RTE Physics Final With 100% ACCURATE QUESTIONS AND ANSWERS GRADED A+
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RTE Physics Final With 100% ACCURATE QUESTIONS AND ANSWERS GRADED A+
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JACKLINERTE Physics Final With 100% ACCURATE QUESTIONS AND ANSWERS GRADED A+
Terms in this set (191)
A high quality radiograph should always minimum magnification
demonstrate:
Higher speed image receptors generally produce increased noise
images with
The inherent base density plus fog density in film 0.1-0.3
is
What is the formula for optical density? Optical Density = log 10 (Io / It) times incident light / transmitted light
If 10% of the viewbox light is transmitted through 1
an area of film, what is the optical density in that
area?
The base + fog of a film is shown below the ____ of toe portion
the characteristic curve.
An image receptor with _____ can be used over a wide latitude
RTE Physics
greater range of exposures. Final
1/8
, long SID
The best way to minimize magnification is to use a small OID
both A and B
Focal spot blur can be reduced by using a small focal spot
Subject contrast is affected by patient thickness
magnification
radiographic contrast
Patient thickness affects image quality by affecting
focal spot blur
all of the above
The technologist primarily controls radiographic kilovoltage
contrast by varying the
Optical density is primarily controlled by changing mAs
the
Slow speed image receptors generally produce better detail
images with
You take an image with a 100 speed image 50 mAs
receptor at 100 mAs, you decide to retake the
image with a 200 speed image receptor. what is
your new mAs?
What is the magnification Factor if the SID is 72 1.03
and the SOD is 70?
The magnification factor is 1.2, the SID is 72 what is 60
the SOD?
The magnification factor is 1.2, the SID is 72 what is 12
the OID?
Magnification is defined as? size distortion
Which kVp selection would result in the most 90 kVp -higher kVp creates more scatter
scattered x-rays in the image-forming beam?
RTE Physics Final
2/8
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