QuestionSBA
QuestionChoice
Most nosebleeds arise from the anterior part of the nose, commonly from Kisselbach’s plexus- an area of anastomoses between the ethmoid, sphenopalatine and major palatine arteries. Woodruff’s plexus is a common site in posterior nosebleeds.
10027088
c
Woodruff’s plexus is a common site involved in anterior nosebleeds
QuestionChoice
The anterior ethmoid nerve arises from the nasociliary nerve, a branch of the ophthalmic trigeminal nerve. The anterior ethmoid nerve supplies the external skin of the nose and the mucous membrane of the nasal vestibule.
10027086
a
The mucous membrane of the nasal vestibule is supplied by the anterior ethmoid nerve
QuestionChoice
The nasopalatine nerve is a branch of the maxillary trigeminal nerve, which supplies the skin of the roof and lateral wall of the nose. The mucous glands of the nose are supplied by the greater petrosal nerve, a branch of the facial nerve.
10027090
e
The mucous glands of the nose are innervated by the nasopalatine nerve
QuestionChoice
The maxillary trigeminal nerve joins the facial nerve in the pterygopalatine ganglion.
10027089
d
The ophthalmic trigeminal nerve joins the facial nerve in the pterygopalatine ganglion
QuestionChoice
The anterior and posterior ethmoidal arteries are branches of the ophthalmic artery, which itself comes from the internal carotid artery.
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b
The anterior and posterior ethmoidal arteries are branches of the maxillary artery
Concept
Chapter
2693
5953
Epistaxis
Topic
186
Ear, Nose and Throat
17815
Which statement regarding the neurovascular supply of the nose is correct?
a