Opthalmic Division

Question 1

The Opthalmic nerve carries sensory innervation from the skin over the ________, _________, and ________

Answer 1

Nose, forehead and scalp

Question 2

The Opthalmic nerve carries sensation from the mucous membranes of the ________ and _________ sinuses, and the ________ _________

Answer 2

Sphenoid, frontal and nasal septum

Question 3

First branch of the Opthalmic nerve:

Answer 3

The meningeal nerve:

• 1st branch
• Before superior orbital fissure
• Sensation dura mater of middle cranial fossa

Question 4

Second branch of the Opthalmic nerve

Answer 4

The lacrimal nerve:

• 2nd branch
• Goes to and through the lacrimal gland
• Supplies skin of the upper eyelid

Question 5

The lacrimal gland receives postganglionic parasympathetic innervation from what nerve/ganglion pathway?

Answer 5

The Facial nerve>zygomatic nerve>zygomaticofacial>pterygopalatine ganglion

Question 6

The third branch of the Opthalmic nerve:

Answer 6

The frontal nerve:

• *Supraorbital and supratrochlear nerves
• Supraorbital: Sensation to conjunctiva, upper eyelid, forehead, and mucous membrane of frontal sinus
• Supratrochlear: Sensation to the medial corner of the eye

Question 7

Name the branches of the fourth branch of the Opthalmic nerve:

Answer 7

Long cilliary, posterior ethmoid, infratrochlear, anterior ethmoid&raquo_space; into external and internal nasal nerves.

Question 8

The long cilliary supplies:

Answer 8

The eyeball

Question 9

Posterior ethmoid supplies:

Answer 9

sphenoidal and ethmoidal sinuses

Question 10

Anterior ethmoid describe:

Answer 10

Branches into internal and external nasal nerves:

External nasal nerve supplies skin over the nose, and Internal nasal nerve supplies the anterior nasal septum

Question 11

Infratrochlear nerve supplies:

Answer 11

The medial corner of the eye including lacrimal sac