QuestionSBA
QuestionChoice
Incorrect. The trochlear nerve (CN IV) carries motor fibres to superior oblique. It leaves the cranium via the superior orbital fissure.
10009013
d
Trochlear nerve
QuestionChoice
Correct. The optic nerve (CN II) carries visual sensory information from the retina to the brain. It enters the cranium via the optic canal.
10009010
a
Optic nerve
QuestionChoice
Incorrect. The abducent nerve (CN VI) carries motor fibres to lateral rectus. It leaves the cranium via the superior orbital fissure.
10009014
e
Abducent nerve
QuestionChoice
Incorrect. The ophthalmic nerve (CN Va) carries sensory information from the eye, upper face and forehead. It enters the cranium via the superior orbital fissure.
10009012
c
Ophthalmic nerve
QuestionChoice
Incorrect. The oculomotor nerve (CN III) carries motor fibres to the striated part of levator palpabrae superioris and the extraocular muscles, except lateral rectus and superior oblique. It also carries parasympathetic fibres to sphincter pupillae and ciliary muscles via the ciliary ganglion. It leaves the cranium via the superior orbital fissure.
10009011
b
Oculomotor nerve
Concept
Chapter
2693
5295
The Orbit
Topic
201
Head and neck anatomy
14349
Picture
1709
4 - The Orbit (right optic nerve).png
images/jgwskkd11682950553644.jpg
images/jgwskkd11682950553644_256.jpg
images/jgwskkd11682950553644_512.jpg
8RgKFYTrmIhbh4mPdHeYiSiIcIIH
Topic
201
Head and neck anatomy
Identify the labelled structure.

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a