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Author Question: Increased grid ratios have which of the following effects? ability to absorb less scatter before ... (Read 6 times)

awywial

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on: Jul 17, 2018
Increased grid ratios have which of the following effects?
 
 ability to absorb less scatter before reaching the image receptor
  longer scale contrast
  increased density
  ability to absorb more scatter before reaching the image receptor

Question 2

Which of the following projections will provide a profile view of the sesamoid bones in the foot?
 
 AP oblique
  AP axial
  dorsoplantar
  tangential


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dantucker

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Reply #1 on: Jul 17, 2018
Answer to Question 1

ability to absorb more scatter before reaching the image receptor

Rationale: Higher ratio grids are more efficient as they are able to absorb more scatter before reaching the image receptor to help achieve a shorter scale contrast.

Answer to Question 2

tangential

Rationale: A tangential or skimming beam will best image the sesamoids in profile and free of superimposition. The foot is dorsiflexed and a perpendicular beam is aligned to skim the posterior aspect of the metatarsophalangeal joint.


awywial

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Reply 2 on: Jul 17, 2018
Great answer, keep it coming :)

isabelt_18

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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