Which of the following pertains to the positioning setup for an AP oblique foot projection on a patient with a high longitudinal arch?
1. Rotate the patient's foot 60 degrees.
2. Angle the central ray 15 degrees proximally.
3. Align the long axis of the foot with the long axis of the collimated field.
4. Center the central ray to the third metatarsal base.
a. 1 and 3 only
b. 3 and 4 only
c. 1, 2, and 4 only
d. 1, 3, and 4 only
Question 2
An AP oblique foot projection with accurate positioning demonstrates
1. open first and second intermetatarsal joint spaces.
2. open joint spaces around the cuboid.
3. slight superimposition of the fourth and fifth metatarsal bases.
4. the long axis of the foot aligned with the long axis of the collimated field.
a. 1 and 2 only
b. 1 and 3 only
c. 1, 3, and 4 only
d. 2 and 4 only
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