SPEX SPEX Radiology and Imaging 3

Question 1

A patient with blunt abdominal trauma has free fluid on FAST exam but is hemodynamically stable. What is the next step?

Accepted Answer

CT scan of the abdomen and pelvis with contrast

Answer

Immediate exploratory laparotomy

Answer

Repeat FAST in 2 hours

Answer

Diagnostic peritoneal lavage

Question 2

Which X-ray finding is characteristic of rickets in children?

Accepted Answer

Widening and fraying of the metaphysis

Answer

Increased bone density

Answer

Cortical thickening of long bones

Answer

Periosteal reaction along diaphysis

Question 3

On CT angiography, which finding is diagnostic of aortic dissection?

Accepted Answer

An intimal flap with true and false lumens

Answer

Aortic wall calcification

Answer

Pericardial effusion

Answer

Enlarged aortic root >4 cm

Question 4

Which type of pneumothorax requires immediate needle decompression before imaging confirmation?

Accepted Answer

Tension pneumothorax with hemodynamic instability

Answer

Small primary spontaneous pneumothorax

Answer

Iatrogenic pneumothorax post-procedure

Answer

Occult pneumothorax found on CT

Question 5

What is the significance of a Kerley B line seen on chest X-ray?

Accepted Answer

Pulmonary interstitial edema

Answer

Consolidation from pneumonia

Answer

Pleural fibrous thickening

Answer

Pulmonary arterial hypertension

Question 6

A 65-year-old with known AAA has sudden severe back pain. Which imaging study should be obtained immediately?

Accepted Answer

CT angiography of the abdomen and pelvis

Answer

Plain abdominal X-ray

Answer

Abdominal ultrasound

Answer

MRI abdomen