Nose and paranasal sinuses: agger nasi cell: practice question

A ENT 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

ENT · Nose and paranasal sinuses: agger nasi cell

Sample item

On coronal CT before FESS for recurrent frontal sinusitis, an air cell is seen anterior and superior to the attachment of the middle turbinate. What is this cell?

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

The answer and the reasoning

A. Agger nasi cell

The agger nasi is the most anterior ethmoid air cell, lying in the lacrimal bone anterior to the attachment of the middle turbinate. Its enlargement narrows the frontal recess and contributes to frontal sinusitis. It is a key landmark for frontal recess surgery.

Option by option

  • A. Agger nasi cell (correct)

    Correct. It lies anterior to the middle turbinate attachment.

  • B. Onodi cell

    Onodi cells are posterior ethmoid cells extending to the sphenoid.

  • C. Bulla ethmoidalis

    The bulla ethmoidalis is the largest anterior ethmoid cell behind the uncinate.

  • D. Haller cell

    Haller cells lie below the orbital floor.

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 ENT questions

Questions about this ENT question

What is the answer to this ENT question?

The best answer is A, Agger nasi cell. The agger nasi is the most anterior ethmoid air cell, lying in the lacrimal bone anterior to the attachment of the middle turbinate.

Why is "Onodi cell" not the answer?

Onodi cells are posterior ethmoid cells extending to the sphenoid.

Why is "Bulla ethmoidalis" not the answer?

The bulla ethmoidalis is the largest anterior ethmoid cell behind the uncinate.

Why is "Haller cell" not the answer?

Haller cells lie below the orbital floor.

What concept does this question test?

It tests Nose and paranasal sinuses: agger nasi cell in ENT. Its enlargement narrows the frontal recess and contributes to frontal sinusitis. It is a key landmark for frontal recess surgery.

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 Nose and paranasal sinuses: agger nasi cell?

Learn tuning fork results and audiogram patterns by sketching them. Then use the flashcards and the other ENT 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.