X-Ray Certification Anatomy Recognition 4

Question 1

On an AP abdomen radiograph, the psoas muscle shadow is visible along which structure?

Accepted Answer

Transverse processes of L1–L5

Answer

Sacral ala

Answer

Iliac crest

Answer

Posterior ribs 10–12

Question 2

Which radiographic sign describes air outlining the lateral wall of the bowel on an abdominal X-ray, suggesting bowel wall infarction?

Accepted Answer

Pneumatosis intestinalis

Answer

Rigler's sign

Answer

Thumbprinting

Answer

String sign

Question 3

On a standard PA hand radiograph, which joint space is assessed for calcium pyrophosphate deposition disease in the triangular fibrocartilage region?

Accepted Answer

Distal radioulnar joint

Answer

Radiocarpal joint

Answer

Carpometacarpal joints

Answer

Scapholunate interval

Question 4

On a lateral ankle radiograph, which structure is seen as the posterior process of the talus and may be confused with a fracture?

Accepted Answer

Os trigonum

Answer

Peroneal tubercle

Answer

Calcaneal apophysis

Answer

Stieda process

Question 5

Which bony landmark is used on an AP pelvis radiograph to determine the center-edge angle of Wiberg?

Accepted Answer

Femoral head center and lateral acetabular edge

Answer

Greater trochanter and acetabular rim

Answer

Ischial tuberosity and pubic symphysis

Answer

Iliac crest and acetabular floor

Question 6

On a lateral cervical spine radiograph, which soft tissue measurement anterior to C3 vertebral body is used to screen for prevertebral swelling?

Accepted Answer

Less than 7 mm

Answer

Less than 3 mm

Answer

Less than 5 mm

Answer

Less than 10 mm

Question 7

On an AP knee radiograph, which measurement determines the tibial plateau slope and is relevant in ligament injury assessment?

Accepted Answer

Posterior tibial slope angle

Answer

Insall-Salvati ratio

Answer

Q angle

Answer

Mechanical axis