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Anatomy Test Block 1 > Face > Flashcards

Face Flashcards

1
Q

What is the thinnest portion of the cranium?

A

squamous portion of the temporal bone

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2
Q

Where does the pituitary gland sit?

A

hypophyseal fossa

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3
Q

What are the layers, superficial to deep, of the scalp?

A

skin; subcutaneous tissue; epicranial aponeurosis; muscle or areolar space

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4
Q

areolar space

A

“dangerous space” gives mobility of the scalp; how you get a scalping injury

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5
Q

If you have a coronal lac, when will the lac gape?

A

If the lac was through the aponeurosis

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6
Q

What nerve innervates muscles of facial expression?

A

CN VII (facial)

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7
Q

What nerve innervates the muscles of mastication?

A

CN V (trigeminal)

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8
Q

What nerve innervates the platysma?

A

CN VII

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9
Q

What are the 3 branches of CN V?

A

V1: opthalmic
V2: maxillary
V3: mandibular

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10
Q

From the mandible up, all SA cell bodies are located where?

A

Trigeminal N (no synapses)

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11
Q

What foramen do the CN V branches exit?

A

V1: supraorbital
V2: infraorbital
V3: mental

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12
Q

What nerve give sensory innervation to the face?

A

CN V (Trigeminal)

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13
Q

Shingles

A

(herpes zoster); reactivation of varicella virus

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14
Q

herpes zoster opthalmicus

A

If the herpes zoster is reactivated onto the opthalmic division of the trigeminal n. it can leaad to herpes of the cornea and can lose eye; will first present w/ tingling

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15
Q

If there is a lip laceration that needs anesthetic, what nerve would be most ideal to sedate?

A

Maxillary branch of CN V (infraorbital nerve block)

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16
Q

Where does the facial artery end?

A

angular artery in angle of eye

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17
Q

Why is the transverse facial a. suseptible to damage?

A

It, along w/ the parotid duct, runs superficial to masseter.

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18
Q

Why is the facial vein clinically important?

A

it communicates w/ veins that drain into the cranial vault through the orbit; infection can spread there

19
Q

Erysipelas

A

infection in skin (usually staph or strep) w/ bright red, tight and shiny appearance

20
Q

What nerve is commonly injured in parotidectomy?

A

CN VII (Facial)

21
Q

What are the branches of CN VII?

A

Temporal; Zygomatic; Buccal; Mandibular; Cervical

To Zanzobar By Motor Car

22
Q

What do the CN VII branches innervate?

A 
T: frontalis
Z: orbicularis oculi
B: buccinal 
M: depressors
C: platysma
23
Q

Parotitis

A

infection of parotid duct; unilateral (bacterial) or bilateral (viral) swelling;

24
Q

Where can you see the opening of the parotid duct?

A

inside mouth by maxillary 2nd molar

25
Q

Treatment for parotid duct stones

A

will show up on xray; hard candy lemon drops to increase salivation

26
Q

When repairing lip lacs, where should the 1st suture be thrown?

A

on vermillion border to align lip

27
Q

What enters the mandibular foramen?

A

inferior alveolar nerve (V3 branch)

28
Q

V3 branch inferior alveolar nerve

A

gives sensation to teeth and skin (dentist)

29
Q

Which ligament of the jaw is visible inside the mouth?

A

sphenomandibular ligment

30
Q

What are the accessory ligmants of the TMJ?

A

sphenomandibular, stylomandibular, articular capsule

31
Q

Dislocated mandible

A

present w/ open mouth unable to close; xray first to make sure no fracture; give ample sedation before reducing

32
Q

Where do teeth errupt from?

A

alveolar ridge - is maintained to support teeth

33
Q

What occurs w/ edentulous jaw?

A

loss of height and mass; mental foramen moves to top of mandible

34
Q

What is the only muscle that opens the jaw?

A

lateral pterygoid

35
Q

What muscles close the jaw?

A

temporalis; masseter; medial pterygoid

36
Q

Is buccinator a muscle of mastication?

A

no (so inn. by CN VII)

37
Q

Which branch of CN V has BOTH motor and sensory?

A

V3 (V1 V2 ONLY sensory)

38
Q

What nerve innervates taste buds to the anterior 2/3 of the tongue?

A

CN VII

39
Q

lingual n. function

A

SA to tongue

40
Q

Chorda tympani

A

CN VII; parasympathetics to salivary glands

41
Q

What two arteries are the termination of the external carotid?

A

superficial temporal and maxillary

42
Q

What artery passes through foramen spinosum?

A

middle meningeal a

43
Q

What artery supplies all teeth?

A

maxillary a.

Anatomy Test Block 1 (8 decks)

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