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HK 3502 > Trigeminal Nerve > Flashcards

Trigeminal Nerve Flashcards

1
Q

What are the three divisions of the trigeminal nerve?

A 
Ophthalmic nerve (V1)
Maxillary nerve (V2)
Mandibular nerve (V3)
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2
Q

Where does the ophthalmic nerve exit the cranial cavity?

A

Superior orbital fissure

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3
Q

Where does the maxillary nerve exit the cranial cavity?

A

Foramen rotundum

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4
Q

Where does the mandibular nerve exit the cranial cavity?

A

Foramen ovale

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5
Q

The mandibular division of the trigeminal nerve provides sensation from which regions?

A 
Side of head
Skin of face over mandible
Lower lip
Mandibular teeth
Temporomandibular joint
Mucosa of mouth
Anterior 2/3 of tongue
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6
Q

Where does the mandibular nerve exit the skull distally? What is it called then?

A

Mental foramen

Mental nerve

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7
Q

Where is the mandibular foramen?

A

On medial aspect of ramus of mandible

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8
Q

Which branch of the mandibular nerve enters the mandible at the mandibular foramen?

A

Inferior alveolar nerve

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9
Q

Which branches of the mandibular nerve supply the mandibular teeth?

A

Inferior dental plexus

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10
Q

Which muscles are innervated by the mandibular division of trigeminal nerve?

A

Masseter
Temporalis
Medial pterygoid
Lateral pterygoid

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11
Q

Which branch of the mandibular nerve travels posterior and superiorly?

A

Auriculotemporal nerve

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12
Q

Which branch of the mandibular nerve supplies the region of the cheek?

A

Buccal nerve

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13
Q

Which branch of the mandibular nerve supplies the tongue?

A

Lingual nerve

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14
Q

When does the mandibular nerve become the inferior alveolar nerve?

A

In the infratemporal fossa (after it passes through foramen ovale)

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15
Q

What does the auriculotemporal nerve supply?

A

Side of head and temporomandibular joint

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16
Q

Where does the lingual nerve lie in relation to the inferior alveolar nerve?

A

Anterior and medial to inferior alveolar nerve

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17
Q

Where is it best to look for inferior alveolar and lingual nerves?

A

Between the inferior head of the lateral pterygoid muscle and deep head of medial pterygoid muscle

18
Q

Which divisions of the trigeminal nerve are sensory only?

A

Ophthalmic nerve

Maxillary nerve

19
Q

Which regions of sensation are innervated by the ophthalmic division of trigeminal nerve?

A 
Scalp
Skin of forehead
Superior eyelid
Cornea
Nose
Mucosa of nasal cavity and sinuses
20
Q

Which regions of sensation are innervated by the maxillary division of the trigeminal nerve?

A 
Skin of face over maxilla
Inferior eyelid
Upper lip
Maxillary teeth
Mucosa of nose
Maxillary sinuses
Palate
21
Q

Where does the ophthalmic nerve exit the skull distally? What is it called here?

A

Supra-orbital foramen

Supra-orbital nerve

22
Q

Where does the maxillary nerve exit the skull distally? What is it called here?

A

Infra-orbital foramen

Infra-orbital nerve

23
Q

What are the 3 main branches of the ophthalmic nerve?

A

Lacrimal nerve
Frontal nerve
Nasociliary nerve

24
Q

Which branch of the trigeminal nerve passes through the common tendinous ring?

A

Nasociliary nerve

25
Q

Where does the frontal nerve lie in the orbit?

A

Superior to levator palpebrae superioris

26
Q

Where does the lacrimal nerve travel?

A

Laterally to the lacrimal gland

27
Q

Where does the nasociliary nerve lie in the orbit?

A

Medially

28
Q

What does the frontal nerve divide into?

A

Supraorbital nerve

Supratrochlear nerve

29
Q

What branches of the ophthalmic nerve do not enter the orbit?

A

Tentorial nerve
Meningeal nerve
Recurrent meningeal nerve

30
Q

What branches does the nasociliary nerve give?

A

Posterior ethmoid nerve
Anterior ethmoid nerve
Infratrochlear nerve

31
Q

Which branches of the opthalmic nerve supply the nasal cavity?

A

Posterior and anterior ethmoid nerve

32
Q

Where does the nasociliary nerve lie in relation to the optic nerve?

A

Crosses over optic nerve

33
Q

Where does the maxillary nerve enter the orbit?

A

Inferior orbital fissure

34
Q

How does the maxillary nerve travel through the orbit?

A

Through the infraorbital groove/canal

35
Q

What branches does the maxillary nerve give off in the orbit?

A

Zygomatic nerve
Infraorbital nerve
Anterior/middle/posterior superior alveolar nerves

36
Q

What branch does the maxillary nerve give off that does not enter the orbit?

A

Meningeal branch

37
Q

What branches does the zygomatic nerve give off?

A

Zygomatico-temporal nerve

Zygomatico-facial nerve

38
Q

What are the cutaneous nerves of the face that branch off of the ophthalmic nerve?

A 
Supra-orbital nerve
Supra-trochlear nerve
Lacrimal nerve
Infra-trochlear nerve
External nasal nerve
39
Q

Name the cutaneous nerves of the face that branch off of the maxillary nerve.

A

Zygomatico-temporal nerve
Zygomatico-facial nerve
Infra-orbital nerve

40
Q

What are the cutaneous nerves associated with the mandibular nerve?

A

Auriculotemporal nerve
Buccal nerve
Mental nerve

HK 3502 (17 decks)

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