Author Question: Where should the central ray be centered for an AP axial projection of the foot? a. Third ... (Read 93 times)

Kthamas · **on:** Jul 17, 2018

Where should the central ray be centered for an AP axial projection of the foot?

a. Third metatarsophalangeal joint
b. Base of the third metatarsal
c. Anterior talus
d. Intermediate cuneiform

Question 2

Which of the following positioning setup procedures must be completed to obtain open tarso-metatarsal and navicular-cuneiform joint spaces on an AP axial foot projection?

1. The patient's foot is positioned flat against the IR.
2. The foot, ankle, and lower leg are aligned.
3. The central ray is angled 10 to 15 degrees proximally.
4. A compensating filter is placed over the toes.
a. 1 and 3 only
b. 3 only
c. 1, 2, and 3 only
d. 1 and 4 only