A PA wrist projection obtained with the hand flexed and the ...

[bobthebuilder]

A PA wrist projection obtained with the hand flexed and the metacarpals at a 45-degree angle with the IR demonstrates
 
  1. a closed radioulnar articulation.
  2. foreshortened metacarpals.
  3. a decrease in scaphoid foreshortening.
  4. closed second through fifth carpometacarpal joint spaces.
  a. 1 and 3 only
  b. 1, 2, and 4 only
  c. 2, 3, and 4 only
  d. 1, 2, 3, and 4 only

Question 2

A PA wrist projection with accurate positioning demonstrates
 
  1. an open radioulnar articulation.
  2. the radial styloid in profile.
  3. the long axes of the third metacarpal aligned with the midforearm.
  4. open second through fifth MC joint spaces.
  a. 1 and 2 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 1, 2, 3, and 4

[strudel15]

Answer to Question 1

C

Answer to Question 2

D