Author Question: A PA wrist projection obtained with the wrist in a neutral position demonstrates 1. the scaphoid ... (Read 122 times)

ts19998 · **on:** Jul 17, 2018

A PA wrist projection obtained with the wrist in a neutral position demonstrates

1. the scaphoid in partial foreshortening.
2. the center of the lunate positioned distal to the radioulnar articulation.
3. closed CM joints.
4. alignment of the long axis of the third metacarpal and radius.
a. 1 and 3 only
b. 2 and 4 only
c. 1, 2, and 4 only
d. 1, 2, 3, and 4

Question 2

A lateral hand projection obtained with the hand in slight external rotation demonstrates the

1. shortest of the second through fourth metacarpals anteriorly situated.
2. radius posterior to the ulna.
3. second metacarpal posterior to the other metacarpals.
4. pisiform posterior to the distal scaphoid.
a. 1 and 2 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 2, and 4 only