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Author Question: A PA axial, ulnar-deviated wrist projection with poor positioning demonstrates a closed ... (Read 23 times)

tichca

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on: Jul 17, 2018
A PA axial, ulnar-deviated wrist projection with poor positioning demonstrates a closed scapho-capitate joint and an open hamate-capitate joint. How should the positioning setup be adjusted for an optimal image to be obtained?
 
  a. Increase the degree of external wrist rotation.
  b. Decrease the degree of external wrist rotation.
  c. Extend the fingers, with hand flat.
  d. Adjust the degree of central ray angulation.

Question 2

When the patient ulnar-deviates for a PA axial, ulnar-deviated wrist projection, the
 
  1. first metacarpal and radius are aligned.
  2. distal scaphoid shifts anteriorly.
  3. lunate is demonstrated distal to the radius.
  4. distal scaphoid shifts posteriorly.
  a. 1 and 2 only
  b. 3 and 4 only
  c. 1, 3, and 4 only
  d. 1, 2, and 3 only


owenfalvey

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

A

Answer to Question 2

C


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