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ENT · Nose: anterior ethmoidal artery
Sample itemThe anterior ethmoidal artery, a source of epistaxis from the roof of the nasal cavity, is a branch of which artery?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Ophthalmic artery
The anterior and posterior ethmoidal arteries arise from the ophthalmic artery of the internal carotid system. They may be ligated through a Lynch incision when bleeding is from the upper nose.
Option by option
A. Facial artery
The facial artery gives the septal branch of the superior labial.
B. Lingual artery
The lingual artery supplies the tongue.
C. Maxillary artery
The maxillary artery gives the sphenopalatine artery.
D. Ophthalmic artery (correct)
Correct. The ophthalmic artery gives the ethmoidal arteries.
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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