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Author Question: The ionization chamber type AEC is: located above the table top but below the patient located ... (Read 186 times)

Mr3Hunna

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on: Jul 17, 2018
The ionization chamber type AEC is:
 
 located above the table top but below the patient
  located beneath the table but above the image receptor
  located in the tube port
  located beneath the table and behind the image receptor

Question 2

How many degrees rotation is necessary to image the zygapophyseal joints from a true lateral position?
 
 30 degrees
  20 degrees
  45 degrees
  70 degrees


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yuyiding

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

located beneath the table but above the image receptor

Rationale: The ionization chamber is just one type of AEC. The ionization chamber is located beneath the table, but above the image receptor. When the predetermined quantity has occurred and measured by the electrometer, the exposure is terminated.

Answer to Question 2

20 degrees

Rationale: From a true lateral t-spine, the patient is rotated 20 degrees anterior or posterior to form a 70 degree oblique to image the zygapophyseal joints.


Mr3Hunna

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Reply 2 on: Jul 17, 2018
Gracias!

matt95

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Reply 3 on: Yesterday
Excellent

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