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13 Cards in this Set

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identify the 6 bones of the bony orbit:
(see figure)
identify the structures in the diagram:
(see figure)
identify the labeled structures:
a.
b.
(see figure)
the central retinal artery comes off of the ...
internal carotid
what is the function of the following cranial nerves in the orbit:
CNII
CNIII
CNIV
CNV
CNVI
CNVII
CNII-vision
CNIII-eye movement and parasympathetic to eye
CNIV-eye movement
CNV-sensation-”autonomics hitch a ride”
CNVI-eye movements
CNVII-close eyelids and parasympathetic to lacrimal
Frontal nerve comes from ... and bifurcates into:
1.
2.
cn5 - opthalmic branch
1. Supraorbital
2. Supratrochlear
identify the labeled nerves:
(see figure)
Orbicularis Oculi is innervated by:
cn7
what does this mean:

S04LR6+CN3
superior oblique is innervated by CN4
lateral rectus is innervated by CN6
all the rest of the eye muscles are innervated by CN3
identify the numbered structures:
1. cilium (cilia) - eyelash
2. inferior lacrimal punctum
3. caruncle
4. plica semilunaris
5. conjunctiva, palpebral (eyelid) portion (showing blood vessels)
6. inferior lacrimal canaliculus (surface projection)
7. superior lacrimal canaliculus (surface projection)
8. superior palpebra (upper eyelid)
9. corneo-scleral junction= limbus
10. conjunctiva, bulbar portion (showing blood vessels)
identify the labeled structures:
(see figure)
identify the muscle being tested:
(see figure)
in the Corneal test, a q-tip is touched to the cornea of they eye, which causes the patient to blink. this test verifies which cranial nerves:
CN5 - Cornea-V1
Orbicularis Oculi-CNVII