X-Ray Certification Anatomy and Image Analysis 2

Question 1

Which bony landmark is used to center the beam for an AP projection of the shoulder?

Accepted Answer

Glenohumeral joint space

Answer

The glenohumeral joint space is the centering point for the AP shoulder projection to best demonstrate the joint.

Question 2

On a lateral chest radiograph, which structure appears as an oval density superimposed over the cardiac shadow?

Accepted Answer

Left atrium

Answer

The left atrium is the most posterior cardiac chamber and projects as an oval density through the cardiac shadow on a lateral chest film.

Question 3

The medial epicondyle of the humerus is best demonstrated without superimposition on which elbow projection?

Accepted Answer

AP projection

Answer

The AP elbow projection places the medial epicondyle in profile, free of superimposition from other structures.

Question 4

Which sinus is located superior to the orbits and is most commonly visualized on a PA Waters projection?

Accepted Answer

Frontal sinuses

Answer

The frontal sinuses are located superior to the orbital rims and are well demonstrated on the PA Waters view, though the maxillary sinuses are the primary target.

Question 5

On a KUB radiograph, the right kidney typically lies at which vertebral level?

Accepted Answer

L1–L3

Answer

The right kidney normally extends from approximately L1 to L3, sitting slightly lower than the left kidney due to displacement by the liver.

X-Ray Certification Practice Test

X-Ray Certification Practice Test

X-Ray Certification Anatomy and Image Analysis 2