Neuro: optic disc drusen: practice question

A Ophthalmology 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

Ophthalmology · Neuro: optic disc drusen

Sample item

A young patient has bilateral elevated discs with irregular margins and no haemorrhages, and normal vision. Which test shows calcified bodies in the optic nerve head?

AFluorescein dye testBA-scanCGonioscopyDB-scan ultrasonography

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

The answer and the reasoning

D. B-scan ultrasonography

Optic disc drusen are calcified hyaline bodies that cause pseudopapilloedema. B-scan shows high reflective calcified lesions, and autofluorescence also helps. They can cause arcuate field defects.

Option by option

A. Fluorescein dye test
Fluorescein dye is not the test for calcification.
B. A-scan
A-scan measures axial length.
C. Gonioscopy
Gonioscopy views the angle.
D. B-scan ultrasonography (correct)
Correct. B-scan shows calcification of drusen.

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 Ophthalmology question

What is the answer to this Ophthalmology question?

The best answer is D, B-scan ultrasonography. Optic disc drusen are calcified hyaline bodies that cause pseudopapilloedema.

Why is "Fluorescein dye test" not the answer?

Fluorescein dye is not the test for calcification.

Why is "A-scan" not the answer?

A-scan measures axial length.

Why is "Gonioscopy" not the answer?

Gonioscopy views the angle.

What concept does this question test?

It tests Neuro: optic disc drusen in Ophthalmology. B-scan shows high reflective calcified lesions, and autofluorescence also helps. They can cause arcuate field defects.

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 Neuro: optic disc drusen?

Group the red eye by what to examine and what the pupil does. Then use the flashcards and the other Ophthalmology 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.