Author Question: An AP chest projection that demonstrates the manubrium superimposing the third thoracic verte-bra ... (Read 142 times)

go.lag · **on:** Jul 17, 2018

An AP chest projection that demonstrates the manubrium superimposing the third thoracic verte-bra

a. can be improved by tilting the patient's upper midcoronal plane posteriorly.
b. was taken with the central ray angled toward the right side of the patient.
c. will also demonstrate horizontally running posterior ribs.
d. was taken with the central angled too cephalically.

Question 2

A 45-degree PA oblique chest projection (LAO position) demonstrates the heart shadow without vertebral column superimposition. How should the positioning setup be adjusted to obtain an op-timal image?

a. Center the central ray more toward the patient's left side.
b. Tilt the patient's upper midcoronal plane away from the IR.
c. Decrease the degree of patient rotation.
d. Increase the degree of patient rotation.