Author Question: For an AP axial chest projection (lordotic position), 1. the shoulders are positioned at equal ... (Read 21 times)

luminitza · **on:** Jul 17, 2018

For an AP axial chest projection (lordotic position),

1. the shoulders are positioned at equal distances from the IR.
2. the patient's back is arched until the midcoronal plane and IR form a 45-degree angle.
3. a 15-degree cephalad central ray angulation is used if the patient is standing erect.
4. the elbows and shoulders are rotated anteriorly.
a. 1 and 2 only
b. 2 and 3 only
c. 1, 2, and 4 only
d. 1, 2, 3, and 4

Question 2

An AP axial chest projection (lordotic position) with poor positioning demonstrates the clavicles within the lung apices. How should the positioning setup be adjusted for an optimal image to be obtained?

1. Increase the degree of cephalic central ray angulation.
2. Anteriorly rotate the elbows and shoulders.
3. Arch the patient's back more, increasing the midcoronal plane to IR angle.
4. Position the patient's feet closer to the IR.
a. 1 and 3 only
b. 2 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4