X-Ray Certification Anatomy Recognition 3

Question 1

On an AP shoulder radiograph, what angle is formed between the humeral head articular surface and the humeral shaft axis?

Accepted Answer

120–135°

Answer

The normal neck-shaft angle of the humerus is approximately 120–135°, deviation suggests valgus or varus deformity.

Question 2

Which radiographic landmark separates the anterior and posterior mediastinum on a lateral chest X-ray?

Accepted Answer

Anterior surface of the heart

Answer

The anterior surface of the heart (pericardium) is the conventional boundary between anterior and middle mediastinum on a lateral view.

Question 3

Which carpal bone is most commonly fractured and appears radiographically at the radial aspect of the proximal carpal row?

Accepted Answer

Scaphoid

Answer

The scaphoid is the most commonly fractured carpal bone, located at the radial side of the proximal row.

Question 4

On a lateral lumbar spine radiograph, which normal structure can mimic a lytic lesion in the vertebral body?

Accepted Answer

Basivertebral vein channel

Answer

The basivertebral vein channel appears as a vertical lucent cleft in the vertebral body and is a normal vascular groove.

Question 5

On a pediatric AP hip radiograph, Hilgenreiner's line is drawn through which structure?

Accepted Answer

Triradiate cartilages

Answer

Hilgenreiner's line is a horizontal line drawn through the triradiate (Y) cartilages, used to assess hip development.

X-Ray Certification Practice Test