HEAD INNERVATIONS

Question 1

Lacrimal gland innervated by?

Answer 1

Superior Salivatory Nucleus

Question 2

Lacrimal gland synapses on?

Answer 2

on the Pterygopalatine ganglion

Question 3

Pain from which tract?

Answer 3

Lateral Spinothalamic Tract

Question 4

Patient is given topical to relieve what fibers?

Answer 4

A delta fibers

Question 5

NT for A delta fibers

Answer 5

glutamate

Question 6

Sensation on the face & teeth involved what nucleus?

Answer 6

Main Sensory Nucleus of V

Question 7

What are the primary sensory neurons of termination involved in pain from the maxillary 2nd molar?

Answer 7

Spinal Nucleus of V

Question 8

Nucleus of CN V include?

Answer 8

I. Mesencephalic nucleus: proprioception of face, jaw-jerk reflex
II. Main sensory nucleus: light touch
III. Spinal Trigeminal nucleus: pain & temperature

Question 9

Which subnucleus of the spinal nucleus of V is responsbile for pain sensation ?

Answer 9

pars interpolaris

Question 10

Pain from face goes to?

Answer 10

VPM

Question 11

difference between Facial pain & Body pain?

Answer 11

Facial Pain: VPM (Ventral Posteromedial nucleus)

Body pain: VPL (Ventral posterolateral nucleus)

Question 12

Branchiomeric nerves come from where?

Answer 12

CN 5, 7, 9, 10

Question 13

Branchiometric nerves are nerves to striated muscles of the head & neck that develop from ?

Answer 13

bracnchial arches

Question 14

Nerves included ?

Answer 14

CN 5 (1st arch), CN 7 (2nd arch), CN 9 (3rd arch), CN 10 (4th/6th arch)

Question 15

What nerve involved in blinking

Answer 15

CN V1 & CN 7

Question 16

What nerve innervates the skin above the upper lip?

Answer 16

infraorbital N

Question 17

Patient complains about burning sensation in the mandibular anterior?

Answer 17

Mental nerve

Question 18

What innervates the posterior hard palate?

Answer 18

Greater palatine N (anterior hard palate = nasopalatine N)

Question 19

Which nerve innervate soft plate?

Answer 19

Lesser palatine nerve (CN V2)

Question 20

Which is not part pf the Cavernous Sinus?

Answer 20

Optic Nerve

Question 21

Nerves that ARE assoc with the cavernous sinus are?

Answer 21

CN 3,4,6, V1, V2 (mnemonic: O TOM CAT)

Question 22

what is O TOM CAT?

Answer 22

O: oculomotor nerve
T: trochlear nerve
O: opthalmic branch of trigeminal nerve
M: maxillary branch of trigeminal nerve
C: internal cartoid artery
A: abducent nerve
T: trochlear nerve

Question 23

What parasympatheytic nerve runs through the foramen lacerum?

Answer 23

Greater Petrosal

Question 24

What foramen transmits pre-ganglionic parasympathetic fibers?

Answer 24

Foramen Ovale (for lesser petrosal N)

Question 25

Before synapsing in the submandibular ganglion, pre-parasympathetic travel to which nerve?

Answer 25

Chorda tympani

Question 26

What action of the lingual nerve stays with the nerve through its course?

Answer 26

Sensory to anterior 2/3 of tongue

Question 27

Which nerve does not transmit taste fibers from the tongue? a. V b. VII c. X

Answer 27

a. V

Question 28

What is the position of the lingual nerve in respect to the inferior alevolar nerve?

Answer 28

anterior & medial

Question 29

What ganglion does the postsympathetic for the submandibular ganglion?

Answer 29

Superior cervical ganglion

Question 30

Intraoral approach to get the submandibular ganglion

Answer 30

cut through the mucous membrane only

Question 31

if someone has motor loss underneath their right zygoma, what nerve is damaged?

Answer 31

CN 7 when exiting the stylomastoiid foramen

Question 32

If you cut the nerve for the stylomastoid foramen, what do you lose innervation to?

Answer 32

Orbicularis muscle (oculi & oris)

Question 33

CN VII & VIII goes through?

Answer 33

Internal Acoustic Meatus

Question 34

What nerve brings preganglionic para nerve fibers to the otic ganglion, then eventually to the parotid gland?

Answer 34

Lesser petrosal nerve via glossopharyngeal N (CN 9)

Question 35

What goes between the superior pharyngeal constrictor & middle pharyngeal constrictor ?

Answer 35

CN 9

Question 36

What nerve goes between Palatoglossus & Paratopharyngeus?

Answer 36

Tonsillar branch of CN9

Question 37

Circumvallate papilla are innervated by what nerve?

Answer 37

CN 9

Question 38

What cranial nerve innervates levator veli palatini?

Answer 38

CN X

Question 39

What nerve does not come out of the jugular foramen?

Answer 39

CN 12

Question 40

Difference between Jugular foramen and hypoglossal canal?

Answer 40

Jugular foramen= CN 9,10,11 | hypoglossal canal= CN 12

Question 41

gag reflex is a sensory limb (afferent) mediated by?

Answer 41

CN 9 motor by CN 10

Question 42

What is not innervated by the hypolossal nerve?

Answer 42

Palatoglossal (CN 10)

Question 43

Muscles innervated by Ansa Cervicalis (CI-C3) include?

Answer 43

Infrahyoid muscle