Author Question: How is a patient positioned for a PA wrist projection to superimpose the anterior and posterior ... (Read 39 times)

erika · **on:** Jul 17, 2018

How is a patient positioned for a PA wrist projection to superimpose the anterior and posterior margins of the distal radius and obtain open radioscaphoid and radiolunate joint spaces?

a. Align the third metacarpal with the forearm.
b. Ulnar-flex the wrist.
c. Depress the proximal forearm.
d. Flex the hand until the metacarpals are at a 10- to 15-degree angle with the IR.

Question 2

A PA wrist projection obtained in slight external rotation demonstrates

1. superimposition of the laterally located carpal bones.
2. a closed radioulnar articulation.
3. open lateral carpal joint spaces.
4. the radial styloid in profile.
a. 1 and 4 only
b. 2 and 3 only
c. 2, 3, and 4 only
d. 1, 2, and 4 only