Saturday Quiz Review

Question 1

Supraorbital N.

• Supply Region
• Foramen/Foramina Traversed
• 3 letter code

Answer 1

• Skin of Anterior Scalp
• Supraorbital, Orbit
• GSA

Question 2

Orbicularis Oculi M. (Palpebral)

• Embryological Origin
• Nerve supply 3 letter code
• Paralysis in Horner’s Syndrome? (What muscles involved?)

Answer 2

• Branchiomeric, Arch 2
• BE
• No (Superior Tarsal M.)

Question 3

Horner’s Syndrome

• Cause
• Result
• Sx/Reason (2 major, 3 minor)

Answer 3

• Interruption/compression of cervical sympathetic trunk (Ex: Pancoast tumor at pulmonary apex)
• Absent sympathetic function on ipsilateral side

Major Sx:

• Miosis (pupil constriction)/parasympathetics unopposed
• Ptosis (superior lid, Superior Tarsal M.)

Minor Sx:

• Anhidrosis (absence of sweating)
• Erythmatosis (flushing/redness, vasodilation)
• Enophthalmos (sunken eyes)

Question 4

Frey’s Syndrome

• Cause
• Result
• Describe nerve properties

Answer 4

Gustatory Sweating

• Damage to Auriculotemporal N. during parotid gland surgery, improper regeneration (nn. switch course)
• Sweat in cutaneous distribution of Auriculotmeporal N. in response to food

Auriculotemporal N.

• Sympathetics: sweat glands in front of ear
• Parasympathetics: parotid gland

Question 5

Zygomaticus Major

• Action
• Nerve

Answer 5

• Elevates & deepens nasolabial groove

- BE (SVE)

Question 6

Bell’s Palsy

Answer 6

Lesion in parotid gland that paralyzes the Zygomaticus Major M. and SVA fibers in the posterior 1/3 of the tongue

Question 7

Parotid Duct

• Accompanying N. branches
• Terminus Landmark

Answer 7

• Buccal branch of Facial N.

- 2nd maxillary molar

Question 8

Superior Constrictor M.

• Innervation
• Non-osseus M. origin
• Shared origin with which muscle?

Answer 8

• Vagus N. (CNX) via Pharyngeal Plexus
• Pterygomandibular Raphe
• Buccinator M.