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Author Question: A change in which of the following factors will decrease patient dose? decreasing the SID ... (Read 56 times)

lunatika

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on: Jul 17, 2018
A change in which of the following factors will decrease patient dose?
 
 decreasing the SID
  increased kVp
  increased mAs
  decreased kVp

Question 2

How should the foot be positioned for tangential imaging of the sesamoid bones?
 
 plantarflexed with the heel of the foot perpendicular to the image receptor
  plantarflexed with the ball of the foot perpendicular to the image receptor
  dorsiflexed with the heel of the foot perpendicular to the image receptor
  dorsiflexed with the ball of the foot perpendicular to the image receptor


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frogdreck123456

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

decreased kVp

Rationale: When considering technical factors for patients, if altering select technical settings, reducing kVp will decrease patient dose.

Answer to Question 2

dorsiflexed with the ball of the foot perpendicular to the image receptor

Rationale: Dorsiflexion of the foot is necessary and the ball of the foot should be positioned perpendicular to the image receptor to allow the tangential beam to skim the part.


lunatika

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Reply 2 on: Jul 17, 2018
Thanks for the timely response, appreciate it

scottmt

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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