Nerve supply to eye oribit

Question 1

What N supplies motor supply to most of the M of the eye

What are the exceptions?

Answer 1

Oculomotor N

exceptions: lateral rectus (abducen) 
                  superior oblique (trochlear)

Question 2

_____N carries PS fibers to the ciliary gg through its inferior division

Answer 2

Oculomotor N

through the parasympathetic root

Question 3

___________ carries PS fibers ot the ciliary gg through the inferior division of the oculomotor N

Answer 3

parasympathetic root

Question 4

Frontal N gives off the __ & ___ N

Answer 4

supraorbital & supratrochlear N

Question 5

_____N supplies the skin over the lateral part of the upper eyelid (PS secretomotor fibers)

Answer 5

lacrimal N

Question 6

Supraorbital N origin?

Gives sensory to _____

Answer 6

origin: frontal N

Sensory to: medial upper eyelid (where trochlea is)

(infratrochlear also supplies medial upper lid)

Question 7

Nasociliary N origin?

goes through ____ gg

Answer 7

origin: opthalmic N

ciliary gg in the nasal cavity

Question 8

Name the 5 branches of the nasociliary N

Answer 8

sensory root to the ciliary gg 
long ciliary
posterior ethmoidal N 
Anterior ethmoidal N
Infratrochlear N

Question 9

_____ N runs from the ciliary gg to the eyeball

origin?

Answer 9

short ciliary N

origin: nasociliary N

Question 10

_____N supplies postgg SP fibers to the dilator Pupillae M

origin?

Answer 10

long ciliary N

origin: nasociliary N

Question 11

N fiber type of the long ciliary N

origin?

Answer 11

post gg SP (to the dilator Papillae M)

origin: nasociliary N

Question 12

_____N (S) terminates as the external nasal N

origin?

Answer 12

ant. ethmoid N

origin: nasociliary N

Question 13

____ & __N supplies the skin on the medial side of the upper eyelid

Answer 13

supratrochlear

infratrochlear

Question 14

Nasociliary N carries ____ fibers

Answer 14

GSA

sensory N

Question 15

2 N types that the long ciliary N carries

Answer 15

postgg SP   (to dialator papillae M) 
GSA

Question 16

**Location cell bodies of the postgg SP fiber

Answer 16

superior cervical SP gg

Question 17

**Origin of cell bodies of Pregg PS fibers is _____

Answer 17

Edinger Westbound

Question 18

Origin of cell bodies of Pregg SP

Answer 18

internal carotid plexus

Question 19

fiber types that are in the short ciliary N

Answer 19

post gg PS
Post gg SP
GSA

Question 20

N fibers that are in the long ciliary N

Answer 20

GSA

Post gg SP (dilator pupillae M )

Question 21

cell bodies of post gg SP

Answer 21

superior cervical gg

Question 22

Efferent fibers of the ciliary gg are known as the _____N

Answer 22

short ciliary nerves

Question 23

The short ciliary carries what type of nerve fibers

Answer 23

Postgg SP: dilator pupillae M

Postgg PS: ciliary & constrictor pupillae M

Sensory: eyeball