1: UIII V3

Question 1

what is the name of V3?

Answer 1

mandibular division

Question 2

How does the madibular division exit the cranial vault?

Answer 2

foramen ovale as a large sensory root and smal motor root

Question 3

What roots combine to form the mandibular division in the infratemporal fossa?

Answer 3

large sensory and small motor roots

Question 4

What does the mandibular division carry?

Answer 4

sensory and motor info

Question 5

What sensory info is carried in the mandibular division?

Answer 5

skin over mandible, posterior cheek, and posterior temple; sensation from the mucosa of the lower oral cavity and cheeks

Question 6

What motor information is carried in the mandibular division?

Answer 6

8 muscles including the muscles of mastication

Question 7

What two branches are given off in the infratemporal region?

Answer 7

recurrent meningeal branch

medial pterygoid nerve

Question 8

How does the recurrent meningeal nerve reenter the cranium?

Answer 8

through the foramen spinosum

Question 9

What sensory info does the recurrent meningeal nerve carry?

Answer 9

from the dura of the middle cranial fossa, anterior crainial fossa, and calvarium

Question 10

What kind of info does the medial pterygoid nerve carry?

Answer 10

motor info

Question 11

What does the medial pterygoid nerve innervate?

Answer 11

medial pterygoid muscle

Question 12

What kind of other motor fibers are supplied and where do they pass?

Answer 12

pass through otic ganglia

supply the tensor veli palatine and tensor tympani

Question 13

After the infratemporal fossa what does the mandibular nerve divide into?

Answer 13

predominantly motor anterior division and predominantly sensory posterior division

Question 14

What does the anterior division give rise to?

Answer 14

massester nerve
deep temporal nerve
lateral pterygoid nerve
buccal nerve

Question 15

What type of info does the masseter nerve carry?

Answer 15

MOTOR: masseter muscle
SENSORY: tempromandibular joint

Question 16

What are the branches of the deep temporal nerve?

Answer 16

anterior and posterior

Question 17

What do the anterior and posterior deep temporal nerves supply?

Answer 17

temporalis muscle

Question 18

What does the lateral pterygoid nerve supply?

Answer 18

lateral pterygoid muscle

Question 19

** What is the major sensory division of the anterior mandibular nerve?

Answer 19

Buccal nerve

Question 20

What does the buccal nerve supply?

Answer 20

cheek (inside and outside) and buccal gingiva of the molars

Question 21

Which branch of the mandibular division is larger?

Answer 21

the posterior division

Question 22

Which mandibular division is primarily sensory?

Answer 22

posterior division

Question 23

Which mandibular division is primarily motor?

Answer 23

anterior division

Question 24

What are the divisions of the posterior mandibular division?

Answer 24

auriculotemporal nerve
lingual nerve
inferior alveolar nerve

Question 25

How does the auriculotemporal nerve travel?

Answer 25

through the parotid gland, posterior to the TMJ and into the infratemporal fossa

Question 26

What does the auriculotemporal nerve carry?

Answer 26

SENSORY: skin of temple and ear | Postganglionic parasympathetic: from OTIC GANGLION

Question 27

What does the otic ganglion carry?

Answer 27

postganglionic parasympathetic and some somatic motor fibers

Question 28

What does the lingual nerve carry?

Answer 28

sensory info from mucosa of the oral cavity

Question 29

What does the lingual nerve combine with and where?

Answer 29

chorda tympani (CN#7) in infratemporal fossa

Question 30

What does the inferior alveolar nerve carry?

Answer 30

sensory info from lower teeth and chin

Question 31

What are the two branches of the inferior alveolar nerve?

Answer 31

incisive branch | mental nerve

Question 32

What does the incisive branch supply?

Answer 32

incisors, canines, and 1st premolars and the adjacent gingiva

Question 33

What does the mental nerve supply?

Answer 33

labial gingiva adjacent to incisors and skin of lower lip and chin

Question 34

Where do the motor fibers from the inferior alveolar nerve branch off?

Answer 34

prior to the nerve passing through the mandibular foramen

Question 35

What do the motor fibers of the inferior alveolar nerve supply?

Answer 35

mylohyoid and anterior belly of the digastric muscle

Question 36

What are the two autonomic ganglia that communicate with the mandibular division?

Answer 36

submandubular ganglion | otic ganglion

Question 37

What kind of fibers are in the submandibular ganglion?

Answer 37

preganglionic fibers from CN#7 via lingual nerve after it combines with the chorda tympani

Question 38

What does the lingual nerve combine with before reaching the submandibular ganglion?

Answer 38

chorda tympani

Question 39

What kind of fibers are sent by the otic ganglion?

Answer 39

postganglionic fibers

Question 40

How do the otic ganglion fibers travel?

Answer 40

to the parotid gland of the auriculotemporal nerve

Question 41

What can the lingual nerve carry n some special cases?

Answer 41

taste information to the chorda tympani

Question 42

What is trigeminal neuralgia?

Answer 42

unilateral, extremely painful in the area supplies by the trigeminal nerve or a branch