Contrast media: 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.

Try it

Radiology · Contrast media

Sample item

What contrast is commonly administered intravenously for CT enhancement?

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

The answer and the reasoning

C. Iodinated contrast

Iodinated contrast increases vascular and tissue attenuation on CT, helping characterize perfusion, vessels, inflammation, and many mass lesions.

Option by option

  • A. Barium for MRI

    Barium is used in selected gastrointestinal fluoroscopic studies.

  • B. Gadolinium for plain X-ray

    Gadolinium is principally used for MRI enhancement.

  • C. Iodinated contrast (correct)

    Correct: iodinated contrast is the standard CT intravenous agent.

  • D. Air injection

    Air is not used as routine intravenous CT contrast.

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.

More Radiology questions

Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is C, Iodinated contrast. Iodinated contrast increases vascular and tissue attenuation on CT, helping characterize perfusion, vessels, inflammation, and many mass lesions.

Why is "Barium for MRI" not the answer?

Barium is used in selected gastrointestinal fluoroscopic studies.

Why is "Gadolinium for plain X-ray" not the answer?

Gadolinium is principally used for MRI enhancement.

Why is "Air injection" not the answer?

Air is not used as routine intravenous CT contrast.

What concept does this question test?

It tests Contrast media in Radiology. The correct option holds because: Correct: iodinated contrast is the standard CT intravenous agent.

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 Contrast media?

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.