QuestionSBA
QuestionChoice
The long and short nerves of the eyeball are branches of the ophthalmic trigeminal nerve within the orbit’s muscular cone.
10027113
c
The optic nerve branches to give off the long and short nerves of the eyeball
QuestionChoice
The superior division of the oculomotor nerve supplies the superior rectus and levator palpebrae muscles. The inferior division supplies the inferior rectus, medial rectus and inferior oblique muscles.
10027114
d
The superior division of the oculomotor nerve supplies the superior and medial rectus muscles
QuestionChoice
The optic nerve and ophthalmic artery leave the intracranial space to enter the orbit through the optic foramen, an opening in the sphenoid bone.
10027111
a
The optic nerve enters the orbit through the optic foramen and the tendinous ring
QuestionChoice
The venous drainage of the orbit mostly occurs via the superior ophthalmic vein to the cavernous sinus. The veins from the forehead and face can also drain via the orbit, presenting a potential risk to track infections of these areas to the cavernous sinus.
10027115
e
The venous drainage of the orbit mostly occurs via the inferior ophthalmic vein and pterygoid plexus to the sigmoid sinus
QuestionChoice
The lacrimal artery is a branch of the ophthalmic artery. It runs on the lateral side of the orbit with the lateral rectus muscle to supply the lacrimal gland, eyelids and conjunctiva.
10027112
b
The lacrimal artery runs on the medial side of the orbit with the medial rectus muscle to supply the lacrimal gland, eyelids and conjunctiva
Concept
Chapter
2693
5955
Ocular pain
Topic
140
Ophthalmology
17820
Which statement correctly describes structures found in the orbit?
a