1. detail is one of the two __ properties: one of the two geometric properties
2. what are the two photograpghic properties control detail: density and contrast
Rad 115 DETAIL notes
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1. detail is one of the two __ properties: one of the two geometric properties
2. what are the two photograpghic properties control detail: density and con-
trast
3. details allow you to see__ or __ around organs or body structures: borders
or margins around organs or body structures
4. the degree of geometric unsharpness or accuracy of structural recorded: in
the radiograpghic image- pneumbra
5. good detail may not be seen due to: poor visibility
6. what is the easiest prime factor to correct?: detail
7. what is detail also referred to as___ , ___ , ___: definition, sharpness, resolution
8. when an object is radiographed you do what...: loose some detail or definition
9. how is detail measured in
which is the unit of resolution or cycle: line pair mm
10. lp mm can be used to: evaluate resolution of screens
11. human eye can only see up to __- lp/mm which is ___ wide spacing for
lines: 5lp/mm
0.1mm
12. how to interpret a resolution test phantom: determined the point at which the
finest line are still visible as separated lines
13. scale and read numbers are seen at the scale where the ___ lines are
visble: point at the scale where the smallest lines are visible
14. evaluated during QC testing using: resolution tool-
15. QC testing used to: interpret resolution tool you read the scale at the point
where the smallest lines are visible
16. the effect of poor resolution is lack of __ caused by increased __: sharpness
penumbra
17. penumbra is the: unharness shadow surrounding the sharp portion of the
image
18. effects on image appearances demonstrates fine line detail
example would be: dem fine line or detail structure being able to see hair line
fractures on radiograph is good detail
19. when detail is lacking the image appear __ and __
poor detailed images is blurry ex__: blurred and gray
motion
20. what factors affect recorded detail
increase resolution does what to patient dose: factors that increase pt dose
detail sharpness or define you increase tech factors
sec, OID, focal spot, screen speed, and SID
1/6
, Rad 115 DETAIL notes
Study online at https://quizlet.com/_fwwb1i
21. 5 things improve resolution overall
1 most important
2 reduce
3 reduce
4 reduce
5 increase: motion number 1
reduce OID
reduce FS- when using low mas
reduce screen -phosphor size
increase SID
22. the xray beam originates at a __ __ further the photons travel the further
they __: small point
diverge
23. more tissue is imaged at the __ than level of collimator __ __: spine
light beam
24. this serves as basis for inverse law and beam __: inverse law and geometry
25. the geometry of beam is most important in est __ desired: definition/ detail
26. resolution imporves as __ and __ is increased
also known as: SID and FFD increases- also known as FFD
27. SID is the: distance from the source anode from the film
28. OID does what to resolution
OID is the: OID decreases
distance from the object and IR
29. table top bucky may have an effect on __: OID
30. how to do you get SID formula: SOD+OID
31. floating tabletop provides a __ cm OID when performing __: 10 cm
skull
32. head unit provides __ cm OID: 2 cm
33. focal spot by controlled by
line focus principle is used to reduce: line focus principle
effective area of focal spot
34. the effective FS area projected out of the: tube toward the object being
radiograph
35. the actual FS is: physical area beam strikes the target of the focal tract
36. effective FS controlled by
2/6
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