Week Four:Summary of Positioning Flashcards
1
Q
____ of a scale occurs because the bone is positioned off the cassette
A
Magnification
2
Q
_____ occurs because the bone is not parallel to the plane of the film/sensor
A
Foreshortening
3
Q
What is “Penn” trying to test for?
A
How much laxity does this individual demonstrate versus the statistical mean for the breed
4
Q
A free floating joint is also called what?
A
Joint mouse
5
Q
How should an X-ray be set up for joint films? (scale, kVp, and fewer/more shades of grey)
A
Short scale, low kVp, and fewer shades of grey
6
Q
Things that prevent a clear image because of the position of the bone are called…
A
Geographic artifacts
7
Q
What is OFA?
A
Orthopedic Foundation for Animals
8
Q
What is the laxity index?
A
Calculated number from extracted view/distracted view from impacted view.
