UTC Ultrasound Technologist Diagnostic Imaging & Interpretation 3

Question 1

Which hepatic lesion appears as a hyperechoic homogeneous mass with peripheral nodular enhancement on contrast-enhanced ultrasound (CEUS)?

Accepted Answer

Cavernous hemangioma

Answer

Cavernous hemangiomas classically show peripheral nodular enhancement filling in centripetally on CEUS, corresponding to their vascular lake structure.

Question 2

During a thyroid ultrasound, a nodule with microcalcifications, irregular margins, and taller-than-wide orientation is assigned which ACR TI-RADS category?

Accepted Answer

TR5 (highly suspicious)

Answer

Microcalcifications, irregular margins, and taller-than-wide shape each carry high suspicion points; their combination typically scores TR5 under ACR TI-RADS.

Question 3

Color Doppler aliasing occurs when:

Accepted Answer

The Nyquist limit is exceeded by the sampled velocity

Answer

Aliasing results when blood flow velocity exceeds the Nyquist limit (half the pulse repetition frequency), causing color wrap-around.

Question 4

An adnexal mass with thin septations (<3 mm), no solid components, and no internal vascularity in a premenopausal woman is best classified as:

Accepted Answer

Minimally complex cyst (IOTA simple rules benign)

Answer

Under IOTA simple rules, a cyst with thin septa and no solid areas or Doppler flow is classified as likely benign with conservative follow-up recommended.

Question 5

Which sonographic finding in the neonatal brain, best seen through the anterior fontanelle, indicates germinal matrix hemorrhage Grade III?

Accepted Answer

Intraventricular hemorrhage with ventricular dilatation

Answer

Grade III germinal matrix hemorrhage is characterized by intraventricular hemorrhage with associated ventricular dilatation.

(UTC) Ultrasound Technologist Certification Practice Test

(UTC) Ultrasound Technologist Certification Practice Test

UTC Ultrasound Technologist Diagnostic Imaging & Interpretation 3