Lacrimal: dacryocystitis in adults: 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 · Lacrimal: dacryocystitis in adults

Sample item

Which statement regarding lacrimal drainage is correct?

AThe nasolacrimal duct opens into the inferior meatus under the inferior turbinateBThe duct opens into the middle meatusCThe duct opens into the sphenoethmoidal recessDThe duct opens into the superior meatus

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

The answer and the reasoning

A. The nasolacrimal duct opens into the inferior meatus under the inferior turbinate

The nasolacrimal duct drains into the inferior meatus beneath the inferior turbinate, guarded by the valve of Hasner. The sac lies in a fossa formed by the lacrimal and maxillary bones.

Option by option

A. The nasolacrimal duct opens into the inferior meatus under the inferior turbinate (correct)
Correct. It opens in the inferior meatus.
B. The duct opens into the middle meatus
The middle meatus receives the frontal and maxillary sinuses.
C. The duct opens into the sphenoethmoidal recess
The sphenoethmoidal recess receives the sphenoid sinus.
D. The duct opens into the superior meatus
The superior meatus receives posterior ethmoid cells.

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 A, The nasolacrimal duct opens into the inferior meatus under the inferior turbinate. The nasolacrimal duct drains into the inferior meatus beneath the inferior turbinate, guarded by the valve of Hasner.

Why is "The duct opens into the middle meatus" not the answer?

The middle meatus receives the frontal and maxillary sinuses.

Why is "The duct opens into the sphenoethmoidal recess" not the answer?

The sphenoethmoidal recess receives the sphenoid sinus.

Why is "The duct opens into the superior meatus" not the answer?

The superior meatus receives posterior ethmoid cells.

What concept does this question test?

It tests Lacrimal: dacryocystitis in adults in Ophthalmology. The sac lies in a fossa formed by the lacrimal and maxillary bones.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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 Lacrimal: dacryocystitis in adults?

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.