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HN > Exam II Lecture 5 Superficial and Deep Face > Flashcards

Exam II Lecture 5 Superficial and Deep Face Flashcards

1
Q

Where do all nerves to muscle of facial expression emerge?

A

Stylomastoid foramen

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2
Q

What structure do the nerves of facial expression go through after they emerge from the stylomastoid foramen?

A

Parotid gland

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3
Q

What are the five major motor branches of VII?

A

Temporal, zygomatic, buccal, mandibular, cervical
Mnemonic: To zanzibar by motor car

Others: Auricular, Occipital, Suprahyoid (to stylohyoid, posterior belly of the digastric muscle)

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4
Q

From what nucleus do motor branchial fibers of VII emerge?

A

Motor Nucleus of VII (Facial Motor Nucleus)

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5
Q

What kind of nerve fibers of V emerge onto face?

A

General sensory

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6
Q

From what nuclei do trigeminal general sensory fibers emerge?

A

Depends on modality
Mesencephalic - muscle proprioception
Pontine Trigeminal - touch
Nucleus of spinal tract - pain temperature

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7
Q

What trigeminal sensory nucleus provides fibers for muscle proprioception?

A

Mesencephalic

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8
Q

What trigeminal sensory nucleus provides fibers for touch?

A

Pontine trigeminal

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9
Q

What trigeminal sensory nucleus provides fibers for pain and temperature?

A

Nucleus of spinal tract

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10
Q

What general sensory branches does V1 give rise to?

A

Lacrimal, frontal, nasociliary

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11
Q

What two general sensory branches arise from the frontal nerve?

A

Supraorbital and supratrochlear

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12
Q

What two general sensory branches arise from the nasociliary nerve?

A

Infratrochlear and Anterior ethmoidal

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13
Q

What nerve does the anterior ethmoidal nerve give rise to?

A

External nasal

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14
Q

What are the five terminal branches of V1 that emerge on the face?

A

Lacrimal, Supraorbital, Supratrochlear, Infratrochlear, and External nasal

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15
Q

What two branches does V2 give rise to that in turn give rise to other branches that emerge on the face?

A

Zygomatic and Infraorbital

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16
Q

Where does V2 branch into the zygomatic nerve?

A

Pterygopalatine fossa.

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17
Q

Where does the zygomatic nerve (V2) branch? What two branches does the zygomatic nerve give rise to?

A

Zygomatico-orbital foramen.

Zygomaticofacial and zygomatico temporal nerves

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18
Q

What are the three terminal branches of the infraorbital nerve (V2)?

A

Inferior palpebral
Lateral nasal
Superior labial

19
Q

V3 gives rise to what branches (besides IA) in the infratemporal fossa that give rise to facial sensation?

A

Buccal (anterior trunk)

Auriculotemporal (posterior trunk)

20
Q

What is the terminal branch of the IA that innervates the face?

A

Mental nerve

21
Q

T/F Both external and internal carotid give rise to arteries that supply the face

A

True

22
Q

Which artery give rise to the ophthalmic artery?

A

Internal carotid

23
Q

What facial blood supply arteries arise directly from the ophthalmic artery?

A

Lacrimal, Supraorbital, supratrochlear, dorsal nasal

24
Q

What branch arises from the lacrimal artery? Is it a terminal facial branch?

A

Zygomatic.

No.

25
Q

What terminal branches arise from the zygomatic artery?

A

Zygomaticofacial

Zygomaticotemporal

26
Q

Does the zygomatic artery and zygomatic nerve follow the same path?

A

No. The zygomatic nerve comes from the V2 and the zygomatic artery comes from the ophthalmic artery (from the orbit)

27
Q

At what point do the zygomaticofacial and zygomaticotemporal arteries and nerves begin to run along side each other?

A

After passing through the zygomatico orbital foramen

28
Q

Which facial terminal branch of the ophthalmic artery accompanies the infratrochlear nerve?

A

Dorsal nasal (this is not typical, typically arteries follow nerves of the same name)

29
Q

Blood supply to the face comes from which three different arterial systems?

A

Internal carotid, external carotid, and maxillary

30
Q

What two direct branches of the external carotid give rise to facial blood supply? Which other branch indirectly gives rise to blood supply to the face from the external carotid?

A

Facial and Superficial temporal artery.

Maxillary artery is indirect.

31
Q

What are the eight branches of the facial artery?

A 
Ascending palatial
Tonsillar
Glandular
Sub mental
Inferior labial
Superior labial
Lateral nasal
Angular
32
Q

What is the branch of the superficial temporal artery that runs across the face?

A

Transverse facial

33
Q

T/F The maxillary artery gives blood supply to both the maxillary and mandibular regions?

A

True

34
Q

What are the three branches given off by the maxillary artery that have branches that eventually emerge onto the face?

A

Inferior alveolar, buccal and infraorbital arteries

35
Q

Does the inferior alveolar artery emerge directly unto the face?

A

No. It give rise to the mental branch that emerges onto the face via the mental foramen

36
Q

From where does the maxillary artery enter the infratemporal fossa?

A

From the external carotid deep to the parotid gland and its junction with the SCM

37
Q

From where does the maxillary artery enter the pterygopalatine fossa?

A

Infratemporal fossa

38
Q

What does the maxillary artery continue as after it enters the pterygopalatine fossa?

A

Infraorbital artery

39
Q

What three branches does the infraorbital artery give rise to on the face?

A

Inferior palpebral
Lateral nasal
Superior labial

40
Q

Which two arteries both give rise to a lateral nasal and a superior labial artery?

A 
Infraorbital artery (of maxillary artery)
Facial artery (of external carotid that comes up from the neck area).
41
Q

Where does the maxillary artery that comes via the pterygopalatine fossa and the facial artery that comes from below the mandible both arise?

A

External carotid?

42
Q

Which facial blood supply artery arises from the internal carotid artery?

A

Ophthalmic via its branches emerges on the face

43
Q

Which of the following arteries emerge unto the face?Ophthalmic—>Lacrimal—>Zygomatic—> zygomaticofacial(ZF) and zygomaticotemporal(ZT)

A

Lacrimal
ZF and ZT

The ophthalmic and zygomatic do not actually emerge onto the face.

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