Cornea: 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.

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Ophthalmology · Cornea

Sample item

What does fluorescein staining demonstrate on ocular examination?

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

The answer and the reasoning

D. Corneal epithelial defects

Fluorescein pools in areas where corneal epithelium is absent, allowing abrasions, ulcers, and dendritic lesions to be visualized under cobalt-blue light.

Option by option

  • A. Optic disc pallor

    Disc pallor is assessed on fundoscopy.

  • B. Retinal artery patency

    Arterial patency requires retinal examination or angiography.

  • C. Lens cataract density

    Cataract is assessed by lens examination.

  • D. Corneal epithelial defects (correct)

    Correct: epithelial disruption takes up fluorescein dye.

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 Ophthalmology questions

Questions about this Ophthalmology question

What is the answer to this Ophthalmology question?

The best answer is D, Corneal epithelial defects. Fluorescein pools in areas where corneal epithelium is absent, allowing abrasions, ulcers, and dendritic lesions to be visualized under cobalt-blue light.

Why is "Optic disc pallor" not the answer?

Disc pallor is assessed on fundoscopy.

Why is "Retinal artery patency" not the answer?

Arterial patency requires retinal examination or angiography.

Why is "Lens cataract density" not the answer?

Cataract is assessed by lens examination.

What concept does this question test?

It tests Cornea in Ophthalmology. The correct option holds because: Correct: epithelial disruption takes up fluorescein dye.

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 Cornea?

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.