Conjunctiva: trachoma features: 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 · Conjunctiva: trachoma features

Sample item

A child from an endemic area has follicles on the upper tarsal conjunctiva, superior pannus and small depressions at the limbus after healed follicles. These depressions are called:

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

The answer and the reasoning

B. Herbert pits

Herbert pits are scars of limbal follicles pathognomonic of trachoma. The causative organism is Chlamydia trachomatis serotypes A, B, Ba and C. Complications include trichiasis, entropion and corneal opacity.

Option by option

  • A. Arlt pits

    Arlt line, not Arlt pits, is the tarsal scar in trachoma.

  • B. Herbert pits (correct)

    Correct. Herbert pits are pathognomonic of trachoma.

  • C. Horner-Trantas dots

    Horner-Trantas dots are collections of eosinophils at the limbus in vernal disease.

  • D. Bitot spots

    Bitot spots occur in vitamin A deficiency.

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 Ophthalmology question

What is the answer to this Ophthalmology question?

The best answer is B, Herbert pits. Herbert pits are scars of limbal follicles pathognomonic of trachoma.

Why is "Arlt pits" not the answer?

Arlt line, not Arlt pits, is the tarsal scar in trachoma.

Why is "Horner-Trantas dots" not the answer?

Horner-Trantas dots are collections of eosinophils at the limbus in vernal disease.

Why is "Bitot spots" not the answer?

Bitot spots occur in vitamin A deficiency.

What concept does this question test?

It tests Conjunctiva: trachoma features in Ophthalmology. The causative organism is Chlamydia trachomatis serotypes A, B, Ba and C. Complications include trichiasis, entropion and corneal opacity.

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 Conjunctiva: trachoma features?

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.