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PNS Quizzes > Quiz 2: Maxillary and Maxillary Div. > Flashcards

Quiz 2: Maxillary and Maxillary Div. Flashcards

1
Q

The maxillary division of C.N V enters what location through the foramen rotundum?

A

Pteryopalatine ganglion

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2
Q

What type of signal is relayed in the maxillary division of trigeminal?

A

Sensory only

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3
Q

Where does the maxillary division carry sensation from?

A

From the skin between the eyes and mouth, over the cheeks and temples, also from the mucosa lining the maxillary sinuses, nasal conchae, palate and gingiva

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4
Q

What are the four branches of the maxillary division?

A

Middle meningeal nerve, zygomatic nerve, ganglionic branches (2 or 3) and the infraorbital nerve

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5
Q

T/F: The middle meningeal nerve is given off after the division exits the foramen rotundum (round foramen).

A

False, it is given off before the middle meningeal nerve exists the foramen rotundum.

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6
Q

What does the middle meningeal nerve supply?

A

The Meninges (dura) of the middle cranial fossa.

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7
Q

Where does the zygomatic nerve enter the orbit?

A

Through the inferior orbital fissure

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8
Q

What branch(es) does the zygomatic nerve give off?

A

It gives off a communicating branch.

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9
Q

What type of fibers does the communicating branch carry? Where does it travel?

A

Postganglionic parasympathetic fibers from the pterygopalatine ganglion to the lacrimal gland

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10
Q

What nerves does the zygomatic nerve give rise to?

A

Zygomaticofacial and Zygomaticotemporal

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11
Q

What does the zygomaticotemporal nerve supply?

A

Skin over the temple

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12
Q

What does the zygomaticofacial nerve supply?

A

Skin over the cheek.

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13
Q

What type of information is carried in the ganglionic branches?

A

Sensory

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14
Q

What do the ganglionic branches supply?

A

Upper pharynx, nasal cavity, and palate –> through the pterygopalatine ganglion –> to the maxillary division.

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15
Q

What does the infraorbital nerve supply?

A

Lower eyelid, skin over the upper jaw, and maxillary sinus

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16
Q

Before entering the infraorbital canal, what nerves are given off by the infraorbital nerve?

A

The posterior, middle and anterior superior alveolar nerves.

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17
Q

What information is carried by the posterior, middle and anterior superior alveolar nerves?

A

SENSORY TO:

  1. Post: Molars
  2. Middle: Premolars
  3. Ant: Incisors
    * Not sure what carries sensory info from canines.
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18
Q

The ___________ _________ _________ is found just above the alveoli.

A

Superior dental plexus

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19
Q

Branches of the maxillary division of the trigeminal are used to distribute postganglionic parasympathetic fibers from the ____________ __________.

A

Pterygopalatine ganglion

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20
Q

Preganglionic parasympathetic fibers reach the pterygopalatine ganglion from the facial nerve by way of the _______ _______ nerve.

A

Greater Petrosal

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21
Q

Postganglionic sympathetic fibers from the ________ ________ ________ pass through the pterygopalatine ganglion.

A

Superior cervical ganglion

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22
Q

What also passes through the pterygopalatine ganglion?

A

Sensory fibers

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23
Q

What does the mandibular division exit the cranial vault as?

A
  1. ) Large sensory root

2. ) Small motor root

24
Q

Where does the mandibular division carry sensory info from?

A

Skin over the mandible, posterior cheek, and posterior temple. Also, from the mucosa of the lower oral cavity and cheeks.

25
Q

What muscles are innervated with motor fibers by the mandibular division?

A

Muscles of Mastication

  1. ) Masseter
  2. ) Lateral Pterygoid
  3. ) Medial Pterygoid
  4. ) Temporalis

&

  1. ) Anterior Belly of Digastric
  2. ) Tensor Veli Palatine
  3. ) Tensor Tympani
  4. ) Mylohyoid
26
Q

What two branches are given off in the infratemporal fossa?

A

Recurrent Meningeal Branch and Medial Pterygoid Nerve

27
Q

What does the recurrent meningeal branch re-enter the cranium through?

A

The foramen spinosum

28
Q

What type of information is carried in the recurrent meningeal branch?

A

Sensory

29
Q

Where is information carried from in the recurrent meningeal branch?

A

Dura of the middle cranial fossa, anterior cranial fossa and calvarium.

30
Q

What type of information is carried in the medial pterygoid nerve?

A

Motor (&sensory?)

31
Q

Where is information carried to in the medial pterygoid nerve?

A

Motor supply for medial pterygoid muscle. Also gives rise to some fibers that pass through the otic ganglion and supply the tensor veli palatine and tensor tympani.

32
Q

After giving off the first two branches, the mandibular nerve divides into a predominantly ________ anterior division and a predominantly ________ posterior division.

A

Motor, Sensory

33
Q

The Anterior division of the Mandibular nerve gives rise to which nerves?

A

Masseter Nerve, Deep Temporal Nerve, Lateral Pterygoid nerve & Buccal Nerve

34
Q

What sensory information is carried in the masseter nerve?

A

Sensory information from the temporomandibular joint

35
Q

What does the deep temporal nerve provide innervation to?

A

The temporalis muscle via an anterior and posterior branch from the deep temporal nerve.

36
Q

What does the lateral pterygoid nerve supply?

A

The lateral pterygoid muscle.

37
Q

What info is carried by the buccal nerve?

A

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

38
Q

What is the major sensory branch of the Anterior Division of the Mandibular div.?

A

Buccal Nerve

39
Q

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

A

Auriculotemporal Nerve, Lingual Nerve, & Inferior Alveolar Nerve

40
Q

What does the auriculotemporal nerve pass through?

A

Parotid gland (posterior to the TMJ and into the infratemporal fossa)

41
Q

What information does the auriculotemporal nerve carry?

A

Sensory information from the skin of the temple and ear.

42
Q

Where does the auriculotemporal nerve carry post-ganglionic parasympathetic fibers from?

A

Otic Ganglion

43
Q

Where does the lingual nerve convey information from?

A

Mucosa of the oral cavity.

44
Q

What does the lingual nerve combine with in the infratemporal fossa?

A

A branch of C.N. VII, the chorda tympani

45
Q

Where does the inferior alveolar nerve carry sensory information from?

A

The lower teeth and the chin.

46
Q

What are the two branches of the inferior alveolar nerve?

A

Incisive branch & Mental Nerve

47
Q

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

A

Sensory to the Incisors, canines and 1st premolars and adjacent givgivae.

48
Q

What does the mental nerve of the inferior alveolar nerve supply?

A

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

49
Q

Motor fibers carried in the inferior alveolar nerve diverge from the nerve prior to passing through the __________ __________ and supply the ___________ and the ________________________________.

A
  1. ) Mandibular foramen
  2. ) mylohyoid
  3. ) Anterior belly of the digastric
50
Q

What two autonomic ganglia communicate with the mandibular division?

A

Submandibular and Otic ganglia

51
Q

The Submandibular ganglion receives _____________ fibers from C.N. VII by way of the ___________ nerve after it combines with the _________ _________.

A
  1. ) Preganglionic parasympathetic
  2. ) lingual
  3. ) chorda tympani
52
Q

The Otic ganglion sends ____________ fibers to the _______ gland by way of the ______________ nerve.

A
  1. ) Postganglionic
  2. ) Parotid
  3. ) Auriculotemporal
53
Q

In some cases, the _________ nerve may convey some _______ (special sensory) information to the ________ _______.

A
  1. ) Lingual
  2. ) Taste
  3. ) Chorda tympani
54
Q

What do patients often refer to as the “worst pain in their life” when they are experiencing this condition?

A

Trigeminal Neuralgia

55
Q

How variable is the time frame of trigeminal neuralgia?

A

It may last days to a month.

56
Q

What is trigeminal neuralgia also known as?

A

Tic Douloreaux

57
Q

What condition is trigeminal neuralgia occassionally associated with?

A

MS

PNS Quizzes (7 decks)

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