Quiz/Practice Questions

1. All of the following are differential considerations for a well-defined density seen on mammogram EXCEPT: *

Cyst

Fibroadenoma

Cancer

Diabetic mastopathy

Intramammary lymph node

2. According to the Revised Atlanta Classification System of 2012, an encapsulated peripancreatic fluid collection which has persisted for >4 weeks in the setting of necrotizing pancreatitis is called?: *

Acute peripancreatic fluid collection

Pseudocyst

Acute necrotic collection

Walled off necrosis

3. A completely cystic appearing adrenal lesion that is 4-6 cm in size has approximately what percentage chance of being malignant? *

25%

45%

60%

70%

90%

4. Which of the following agents accumulates in infarcted myocardium? *

201 Thalium

99m Tc Sestamibi

99m Tc Pyrophosphate

99m Tc Pertechetate

5. The typical age of presentation of melorheostosis is: *

Prenatal

Infancy

Early adulthood

Late adulthood

6. Motion artifact always propagates in the _____________ direction regardless of the direction of motion *

Frequency-encoding

Phase-encoding

Superficial

Deep

7. All of the following regarding chordoma are true EXCEPT: *

The most common location is the skull/clivus

It is a locally aggressive tumor that originates from notochord

Often contains calcifications

More often extends posteriorly

8. Spin Echo techniques begin with a __ degree radiofrequency (RF) pulse: *

30

45

60

90

180

9. All of the following regarding hepatic lymphoma are true EXCEPT: *

Usually presents early in the disease course

Typically has a “target” appearance on ultrasound

Most often seen in the setting of immunocompromised patients

Appearance can mimic hepatic cysts but lymphoma lesions often have less posterior acoustic enhancement than would be expected with cysts.

10. The finding demonstrated here is commonly associated with which of the following *

Right ventricular enlargement

Cardiac myxoma

Left atrial appendage thrombus

Left atrial enlargement

11. Which of the following is the BEST differential consideration for a cyanotic neonate with increased pulmonary vascularity and the appearance of the heart/mediastinum shown here? *

D-Transposition of the Great Arteries

Truncus Arteriosus

Total anomalous pulmonary venous connection

AV canal

Single atrium

12. The “trilaminar” color appearance shown on this CAD image is often associated with: *

Invasive ductal carcinoma

Patient motion

Susceptibility artifact

K-Space misregistration

13. The cluster of dilated and fluid-filled small bowel loops shown on this CT image is suspicious for: *

Inflammatory bowel disease

Infectious enteritis

Closed loop small bowel obstruction

Bowel ischemia

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