Interventional radiology: 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 · Interventional radiology

Sample item

What is the Seldinger technique used to obtain?

APercutaneous vascular accessBBone density measurementCPulp vitalityDLung diffusion capacity

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

The answer and the reasoning

A. Percutaneous vascular access

The Seldinger technique uses a needle, guidewire, and catheter sequence to obtain controlled percutaneous access to a vessel or other target structure.

Option by option

A. Percutaneous vascular access (correct)
Correct: Seldinger technique establishes percutaneous vascular access.
B. Bone density measurement
Bone density is measured with DEXA.
C. Pulp vitality
Pulp vitality is a dental endodontic assessment.
D. Lung diffusion capacity
Lung diffusion capacity is a pulmonary function measure.

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.

Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is A, Percutaneous vascular access. The Seldinger technique uses a needle, guidewire, and catheter sequence to obtain controlled percutaneous access to a vessel or other target structure.

Why is "Bone density measurement" not the answer?

Bone density is measured with DEXA.

Why is "Pulp vitality" not the answer?

Pulp vitality is a dental endodontic assessment.

Why is "Lung diffusion capacity" not the answer?

Lung diffusion capacity is a pulmonary function measure.

What concept does this question test?

It tests Interventional radiology in Radiology. The correct option holds because: Correct: Seldinger technique establishes percutaneous vascular access.

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 Interventional radiology?

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.