Neuroradiology: 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 · Neuroradiology

Sample item

Which MRI sequence is particularly sensitive for early ischemic stroke?

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

The answer and the reasoning

A. Diffusion-weighted imaging

Diffusion-weighted MRI detects restricted water motion in acutely ischemic brain tissue and can show infarction early after symptom onset.

Option by option

  • A. Diffusion-weighted imaging (correct)

    Correct: DWI is highly sensitive to acute ischemic change.

  • B. T1-weighted imaging only

    T1 imaging alone is less sensitive for early ischemia.

  • C. Mammography

    Mammography images breast tissue.

  • D. Fluoroscopy

    Fluoroscopy uses X-rays for dynamic imaging.

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, Diffusion-weighted imaging. Diffusion-weighted MRI detects restricted water motion in acutely ischemic brain tissue and can show infarction early after symptom onset.

Why is "T1-weighted imaging only" not the answer?

T1 imaging alone is less sensitive for early ischemia.

Why is "Mammography" not the answer?

Mammography images breast tissue.

Why is "Fluoroscopy" not the answer?

Fluoroscopy uses X-rays for dynamic imaging.

What concept does this question test?

It tests Neuroradiology in Radiology. The correct option holds because: Correct: DWI is highly sensitive to acute ischemic change.

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 Neuroradiology?

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.