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Author Question: Which should be ordered to assess the anteroposterior mobility of the lumbar spine? right and left ... (Read 29 times)

crobinson2013

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on: Jul 17, 2018
Which should be ordered to assess the anteroposterior mobility of the lumbar spine?
 
 right and left bending laterals
  any of these options
  weight bearing
  flexion and extension

Question 2

Which of the following factors will directly affect radiographic contrast?
 
 mAs
  grid ratio
  focal spot size
  SID


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itsakadoozi

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

flexion and extension

Rationale: Anterior to posterior mobility will be determined with the patient in a lateral l-spine with maximum extension and flexion.

Answer to Question 2

grid ratio

Rationale: As grid ratio increases, less scatter radiation reaches the image receptor which improves contrast resolution of structures.


crobinson2013

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Reply 2 on: Jul 17, 2018
Wow, this really help

shailee

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

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