Maxillary and Mandibular division

Question 1

The maxillary division enters what?

Answer 1

pterygopalatine fossa

Question 2

What does the maxillary go through to enter the pterygopalatine fossa?

Answer 2

foramen rotundum

Question 3

Is the maxillary division sensory or motor?

Answer 3

sensory

Question 4

The maxillary division carries sensation on what areas of the skin?

Answer 4

between the eyes and mouth over the cheeks and temples

Question 5

The maxillary division also caries information from the what?

Answer 5

from the mucosa lining the maxillary sinuses, nasal conchae, palate, and gingiva

Question 6

What are the four branches of the maxillary division?

Answer 6

1. middle meningeal nerve
2. Zygomatic nerve
3. Two of three ganglionic branches
4. Infraorbital nerve

Question 7

The middle meningeal nerve is given off before what?

Answer 7

The division exits the round foramen.

Question 8

What does the middle meningeal nerve branch of the maxillary division supply?

Answer 8

the meninges of the middle cranial fossa

Question 9

The zygomatic nerve enters the orbit through what opening?

Answer 9

inferior orbital fissure

Question 10

The zygomatic nerve gives off a communicating branch carrying what type of fibers?

Answer 10

postganglionic parasympathetic fibers

Question 11

The communicating branch off of the zygomatic nerve carries postganglionic parasympathetic fibers to from the __________ ______________ to the ________________ ___________.

Answer 11

from the pterygopalatine ganglion to the lacrimal gland

Question 12

The zygomatic nerve also gives rise to what other nerves?

Answer 12

the zygomaticotemportal nerve and the zygomaticofacial nerve

Question 13

What does the zygomaticotemporal nerve supply?

Answer 13

skin over the temple

Question 14

What does the zygomaticofacial nerve supply?

Answer 14

the skin over the cheek

Question 15

The two or three ganglionic branches off of the zygomatic nerve carry what type of information?

Answer 15

sensory

Question 16

The two or three ganglionic branches off of the zygomatic nerve carry sensory information from what structures?

Answer 16

1. upper pharynx
2. nasal cavity
3. palate

Question 17

What structure do the ganglionic branches go through to convey information?

Answer 17

through the ptperygopalatine ganglion

Question 18

Where does the information of the ganglionic branches carry information to?

Answer 18

the maxillary division

Question 19

The infraorbital nerve travels through what openings?

Answer 19

the infraorbital fissure and infraorbital canal

Question 20

what does the infraorbital nerve supply?

Answer 20

the lower eyelid, skin over the upper jaw and the maxillary sinus.

Question 21

Before the infaorbital canal the infraorbital nerve gives off what nerves?

Answer 21

1. posterior nerve
2. middle nerve
3. anterior superior aveolar nerve

Question 22

What do the posterior, middle and anterior superior aveolar nerve carry sensory info from?

Answer 22

the teeth

Question 23

What is found just above the aveoli?

Answer 23

the superior dental plexus

Question 24

The branches of the maxillary division of the trigeminal nerve (sensory) are used to distribute what kind of fibers? and from what structure?

Answer 24

postganglionic parasympathetic fibers from the pterygopalatine ganglion

Question 25

Preganglionic parasympathetic fibers reach the ganglion from the facial nerve by way of the what?

Answer 25

the greater petrosal nerve

Question 26

Postganglionic sympathetic fibers from the superior cervical ganglion pass through the what?

Answer 26

ganglion

Question 27

What fibers also pass through the ganglion?

Answer 27

sensory

Question 28

The mandibular division exit the cranial vault through what?

Answer 28

foramen ovale

Question 29

what are the two roots of the maxillary division that exit the cranial vault through the foramen ovale?

Answer 29

Large sensory root and a small motor root

Question 30

These roots combine in the infratemporal fossa to form the what?

Answer 30

mandibular division

Question 31

Does the mandibular division carry motor or sensory fibers?

Answer 31

Both motor and sensory fibers

Question 32

The mandibular division carries sensation from the skin over the what?

Answer 32

mandible, posterior cheek, and posterior temple

Question 33

The mandibular division also carries sensation from mucosa of the what?

Answer 33

lower oral cavity and cheeks

Question 34

where does the mandibular division give motor innervation to?

Answer 34

8 muscles including the muscles of mastication

Question 35

What are the muscles of mastication that receive motor supply from the mandibular division?

Answer 35

1. Masseter 2. Temporalis 3. Medial pterygoid 4. Lateral pterygoid

Question 36

What are the two braches given off of the mandibular division in the infratemporal fossa?

Answer 36

1. Recurrent Meningeal branch (nervus spinosum) | 2. Medial pterygoid nerve

Question 37

The recurrent meningeal branch reenters the cranium through the what?

Answer 37

foramen spinosum

Question 38

The recurrent meningeal branch carries sensory information from the dura of what structures?

Answer 38

1. middle cranial fossa 2. anterior cranial fossa 3. calvarium

Question 39

The medial pterygoid nerve is the motor supply to what muscle?

Answer 39

the medial pterygoid

Question 40

The medial pterygoid nerve also gives rise to fibers that pass through what structure?

Answer 40

the otic ganglion

Question 41

After fibers from the medial pterygoid nerve pass through the otic ganglion what do they supply?

Answer 41

1. tensor veli palatine | 2. tensor tympani

Question 42

The mandibular nerve divides predominately into what?

Answer 42

a motor anterior division and a sensory posterior division

Question 43

What does the motor anterior division give rise to?

Answer 43

1. Masseter nerve 2. Deep temporal nerve 3. Lateral pterygoid nerve 4. Buccal nerve

Question 44

The masseter nerve provides motor innervation to what muscle?

Answer 44

the masseter

Question 45

The masseter nerve carries sensory information from what?

Answer 45

the temporomandibular joint

Question 46

The deep temporal nerve gives rise to what branches?

Answer 46

an anterior and posterior branch

Question 47

What muscle do the anterior and posterior branches of the temporal nerve supply?

Answer 47

temporalis muscle

Question 48

The lateral pterygoid nerve supplies what muscle?

Answer 48

the lateral pterygoid muscle

Question 49

The buccal nerve is the what?

Answer 49

major sensory branch of the anterior division

Question 50

The buccal nerve conveys sensation from areas?

Answer 50

the cheek (both skin and mucosal surfaces) and the buccal gingivae of the molars.

Question 51

Which of the mandibular nerve is larger?

Answer 51

the posterior division

Question 52

What does the posterior division of the mandibular nerve give rise to?

Answer 52

1. auriculotemporal nerve 2. Lingual Nerve 3. Inferior alveolar nerve

Question 53

The auriculotemporal nerve passes through what to get to the infratemporal fossa?

Answer 53

the parotid gland, posterior to the TMJ

Question 54

The auriculotemporal nerve carries sensory information from what areas?

Answer 54

the skin of the temple and ear

Question 55

The auriculotemporal nerve carries some postganglionic parasympathetic fibers from what structure?

Answer 55

the otic ganglion

Question 56

The lingual nerve conveys sensory information from the what?

Answer 56

Mucosa of the oral cavity

Question 57

The lingual nerve combines with a branch of what C.N?

Answer 57

C.N. VII, the chorda tympani, in the infratemporal fossa

Question 58

The inferior alveolar nerve carries sensory information from where?

Answer 58

the lower teeth and the chin

Question 59

What are the two branches of the inferior alveolar nerve?

Answer 59

1. Incisive branch | 2. Mental Nerve

Question 60

What does the Incisive branch of the inferior alveolar nerve supply?

Answer 60

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

Question 61

What does the mental nerve supply?

Answer 61

the labial gingivae adjacent to the incisors and the skin of the lower lip and chin

Question 62

Motor fibers carried in the inferior alveolar nerve diverge from the nerve prior to its passing through what?

Answer 62

the mandibular foramen

Question 63

What do the motor fibers of the inferior alveolar nerve that diverge prior to its passing through the mandibular foramen supply?

Answer 63

the mylohyoid and the anterior belly of the digastric muscle

Question 64

What two autonomic ganglia communicate with the mandibular division?

Answer 64

1. submandibular ganglia | 2. otic ganglia

Question 65

The submandibular ganglia receives some preganglionic fibers from what C.N.?

Answer 65

Vll

Question 66

The submandibular ganglia receives preganglionic fibers from C.N. Vll by way of which nerve after it combines with the chorda tympani?

Answer 66

lingual nerve

Question 67

The otic ganglion sends postganglionic fibers to the what?

Answer 67

parotid gland

Question 68

The otic ganglion sends postganglionic fibers to the parotid gland by way of what nerve?

Answer 68

the auriculotemporal nerve

Question 69

In some cases the lingual nerve may convey some taste information (special sensory) to what?

Answer 69

the chorda tympani

Question 70

what is a clinical consideration of the trigeminal nerve?

Answer 70

trigeminal neuralgia