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Author Question: A tangential, inferosuperior carpal canal wrist projection with poor positioning demonstrates ... (Read 79 times)

mynx

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on: Jul 17, 2018
A tangential, inferosuperior carpal canal wrist projection with poor positioning demonstrates su-perimposition of the pisiform and hamulus of the hamate. How should the positioning setup be adjusted for an optimal image to be obtained?
 
  a. Externally rotate the hand.
  b. Internally rotate the hand.
  c. Decrease the central ray angulation.
  d. Increase the central ray angulation.

Question 2

For a carpal canal wrist image, the
 
  1. wrist is hyperextended until the long axes of the metacarpals are vertical.
  2. hand is rotated 10 degrees internally until the fifth metacarpal is perpendicular to the IR.
  3. central ray is angled 25 to 30 degrees proximally.
  4. central ray is centered to the palm of the hand.
  a. 1 and 4 only
  b. 2 and 3 only
  c. 1, 2, and 3 only
  d. 1, 2, 3, and 4 only


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Christopher

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

B

Answer to Question 2

D


mynx

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Reply 2 on: Jul 17, 2018
Excellent

peter

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

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