Ultrasound: abdominal aorta: practice question

A Radiology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Radiology · Ultrasound: abdominal aorta

Sample item

An abdominal ultrasound shows the infrarenal aorta measuring 5.8 cm in diameter. What is the diagnosis?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

A. Abdominal aortic aneurysm

An abdominal aortic aneurysm is generally defined as an aortic diameter of at least 3 cm or significant focal dilatation. Size and symptoms guide surveillance versus repair planning.

Option by option

  • A. Abdominal aortic aneurysm (correct)

    Correct. A diameter of 5.8 cm is aneurysmal.

  • B. Aortic coarctation

    Coarctation is thoracic narrowing, not abdominal dilatation.

  • C. Portal-vein thrombosis

    Portal-vein thrombosis affects venous rather than arterial anatomy.

  • D. Normal aorta

    Normal infrarenal aortic diameter is much smaller.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is A, Abdominal aortic aneurysm. An abdominal aortic aneurysm is generally defined as an aortic diameter of at least 3 cm or significant focal dilatation.

Why is "Aortic coarctation" not the answer?

Coarctation is thoracic narrowing, not abdominal dilatation.

Why is "Portal-vein thrombosis" not the answer?

Portal-vein thrombosis affects venous rather than arterial anatomy.

Why is "Normal aorta" not the answer?

Normal infrarenal aortic diameter is much smaller.

What concept does this question test?

It tests Ultrasound: abdominal aorta in Radiology. Size and symptoms guide surveillance versus repair planning.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Ultrasound: abdominal aorta?

Learn signs with the image, and the disease they point to. Then use the flashcards and the other Radiology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.