Face, Mastication, Nose Flashcards by Clyde Silverio

Q

Facial muscles are located in the ____ tissue

A

subcutaneous tissue

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Q

The embryonic origin of facial muscles

A

mesoderm, 2nd pharyngeal arch

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Q

Why do facial lacerations tend to gape?

A

Face has no deep fascia and the subcutaneous tissue are loosely attached

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Q

[Muscles of facial expression]

smiling

A

zygomaticu

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Q

[Muscles of facial expression]

grin

A

risorius

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Q

[Muscles of facial expression]

trumpeteers

A

buccinator

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Q

[Muscles of facial expression]

chin

A

mentalis

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Q

[Muscles of facial expression]

kissing

A

orbicularis oris

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Q

what arteries supplies the facial muscles?

A

facial nerve from the ECA

2. Superficial temporal from ECA

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Q

What are the tributaries of the facial vein?

A

Angular vein

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Q

What are the tributaries of the common facial vein?

A

Retromandibular vein, anterior branch

2. Facial vein

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Q

What are the tributaries of the angular vein?

A

Supraorbital vein

2. Suptratrochlear vein

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Q

What are the tributaries of the retromandibular vein?

A

Superficial tempolar

2. Maxillary

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Q

The posterior branch of the retromandibular vein drains to the

A

EJV

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Q

What are the structures that can be possibly affected in cavernous sinus thrombosis?

A

CN 3, 4, 6
CN V2
ICA

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Q

Infection through this vein can lead to cavernous sinus thrombosis

A

superior ophthalmic vein

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Q

[Venous blood sinuses]

at upper falx cerebri

A

superior saggital

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Q

[Venous blood sinuses]

at lower falx cerebri

A

inferior saggital

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Q

[Venous blood sinuses]

at junction of falx cerebri and tentorium cerebelli

A

straight sinus

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Q

[Venous blood sinuses]

from superior saggital

A

right transverse sinus

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Q

[Venous blood sinuses]

from straight sinus

A

left transverse sinus

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Q

[Venous blood sinuses]

from transverse sinus to IJV

A

sigmoid

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Q

[Clinical correlate]

Injuries to the middle meningeal artery could lead to what kind of intracranial hemorrhage?

A

EXtradural = conveX = Epidural

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Q

[Clinical correlate]

Tearing of the superior cerebral veins could lead to what kind of intracranial hemorrhage?

A

Subdural

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[Clinical correlate] Rupture of the lenticulostriate artery of the middle cerebral artery could lead to what kind of intracranial hemorrhage?

cerebral hemorrhage

[muscles of mastication] closes jaw

1. Temporalis 2. Masseter 3. Medial pterygoid

[muscles of mastication] opens jaw

1. Lateral pterygoid

What innervates sensation of of the anterior 2/3 of the tongue?

1. Trigeminal nerve (CN 5)

What innervates the taste sensation of the anterior 2/3 of the tongue?

1. Facial nerve (CN 7)

The geniculate ganglion gives rise to

1. Greater petrosal 2. Stapedius (nerve to it) 3. Chorda tympani 4. Posterior auricular 5. Parotid plexus

What are the terminal branches of the facial nerve from the parotid plexus

1. Temporal 2. Zygomatic 3. Buccla 4. Mandibular 5. Cervical

The corneal reflex are carried by ___ nerve

Afferent nerve of the nasociliary nerve | branch of CN V1

___ is a sharp, stabbing pain that radiates over the areas innervated by sensory branches of the maxillary or mandibular divisions of CN V?

trigeminal neuralgia

What innervates the muscles of mastication?

CN 5

What innervates the muscles of facial expression?

CN 7

What innervates the muscles of degluttition

CN 9

What innervates the muscles of phonation

CN 10

Aside from the muscle of mastication, the CN V3 supplies what muscles?

1. Mylohyoid 2. Anterior belly of digastric 3. Tensor veli palatini 4. Tensor tympani

The middle ear drains to what LN?

Retropharyngeal and upper deep cervical

The nasal cavity and paranasal sinuses drains to what LN?

1. Submandibular 2. Retropharyngeal 3. Upper deep cervical

The tongue drains to what LN?

1. Submental 2. Submandibular 3. Upper and lower cervical

The larynx drains to what LN?

1. Upper and lower cervical

The pharynx drains to what LN?

1. Retropharyngeal | 2. Upper and lower deep cervical

The thyroid gland drains to what LN?

1. Lower deep cervical 2. Prelaryngeal 3. Pretracheal 4. Paratracheal

[Guess the pharyngeal arch number] Muscles of mastication

Pharyngeal arch 1

[Guess the pharyngeal arch number] malleus and incus

Pharyngeal arch 1

[Guess the pharyngeal arch number] stapes

pharyngeal arch 2

[Guess the pharyngeal arch number] muscles of facial expression

pharyngeal arch 2

[Guess the pharyngeal arch number] upper hyoid

pharyngeal arch 2

[Guess the pharyngeal arch number] lower hyoid

pharyngeal arch 3

[Guess the pharyngeal arch number] degluttition

Pharyngeal arch 3

[Guess the pharyngeal arch number] muscles of phonation

pharyngeal arch 4, 6

[Guess the pharyngeal arch number] laryngeal cartilage

pharyngeal arch 4, 6

[Guess the pharyngeal pouch number] inferior parathyroid

pharyngeal pouch 3

[Guess the pharyngeal pouch number] superior parathyroid

pharyngeal pouch 4

[Guess the pharyngeal pouch number] palatine tonsil

pharyngeal pouch 2

[Guess the pharyngeal pouch number] epithelium of the auditory tube

pharyngeal pouch 1

[Guess the pharyngeal groove number] epithelium of the external auditory meatus and skin over the tympanic membrane

pharyngeal groove 1

[Nasal sinuses] the first radiological evidence of the frontal sinus occurs at what age?

6 years old

Nasolacrimal duct is associated with which paranasal meatus

inferior meatus

The posterior ethmoidal sinus is associated with which paranasal meatus

Superior meatus

The kiesselbach plexus is composed of what arteries?

1. Branch of sphenopalatine (maxillary) 2. Greater palatine (maxillary) 3. Anterior ethmoidal (Ophthalmic) 4. Superior labial (facial)

The anterior region of the nose drains forward onto which LN?

Anterior regions