QuestionSBA
QuestionChoice
Incorrect. The arrow points to superior rectus. The ophthalmic nerve (CN Va) is a pure sensory nerve, with no motor component.
10009039
e
Ophthalmic nerve
QuestionChoice
Incorrect. The arrow points to superior rectus. The trochlear nerve (CN IV) leaves the cranium via the superior orbital fissure to innervate superior oblique.
10009037
c
Trochlear nerve
QuestionChoice
Incorrect. The arrow points to superior rectus. The abducent nerve (CN VI) leaves the cranium via the superior orbital fissure to innervate this muscle.
10009038
d
Abducent nerve
QuestionChoice
Incorrect. The arrow points to superior rectus. The inferior division of the oculomotor nerve (CN III) leaves the cranium via the superior orbital fissure to innervate medial rectus, inferior rectus, inferior oblique, and to provide parasympathetic fibres to the ciliary ganglion.
10009036
b
Inferior division of oculomotor nerve
QuestionChoice
Correct. The arrow points to superior rectus. The superior division of the oculomotor nerve (CN III) leaves the cranium via the superior orbital fissure to innervate the striated part of levator palpabrae superioris and superior rectus.
10009035
a
Superior division of oculomotor nerve
Concept
Chapter
2693
5298
Muscles of eye movement
Topic
201
Head and neck anatomy
14354
Picture
1714
9 -Muscles of eye movement (left superior rectus).png
images/v3ko4abn1682950568657.jpg
images/v3ko4abn1682950568657_256.jpg
images/v3ko4abn1682950568657_512.jpg
njkOFYIoeHhnhneAd2eIdkdlYAMF
Topic
201
Head and neck anatomy
Which of the following nerves provides innervation to the labelled structure?

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a