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Author Question: The central ray for a scapula Y view should be set to enter or exit: the surgical neck the mid ... (Read 59 times)

anshika

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on: Jul 17, 2018
The central ray for a scapula Y view should be set to enter or exit:
 
 the surgical neck
  the mid shaft
  the mid scapular borders
  the glenohumeral joint

Question 2

Which interaction contributes to image fog and hazard to personnel?
 
 characteristic
  coherent scatter
  Compton scatter
  photoelectric effect


bob

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

the glenohumeral joint

Rationale: The scapular Y view is acquired as part of a trauma shoulder routine. The humerus is obliqued along with the body until the scapular borders superimpose. The central ray should be set to enter or exit the glenohumeral joint. The scapular Y view will show anterior to posterior displacement of the humeral head and/or shaft.

Answer to Question 2

Compton scatter

Rationale: In Compton scatter, An ejected outer shell electron exits the body and contributes to image fog and exposure to personnel.


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anshika

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Reply #2 on: Jul 17, 2018
Thank you :)


bob

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Reply #3 on: Jul 17, 2018
Happy to help you


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