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Anatomy II Unit 2 > skull/face/scalp > Flashcards

skull/face/scalp Flashcards

1
Q

muscles of the eye region

A

frontalis m.
corrugator supercilii m.
orbicularis oculi m.

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2
Q

action of frontalis m.

A

raises eyebrow in surprise

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3
Q

action of corrugator supercilii m.

A

draws eyebrow in frowning

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4
Q

action of orbicularis oculi m.

A

closes eye (winking)

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5
Q

muscles of the nasal region

A

procerus m.
nasalis m.
levator labii superioris alaeque nasi m.

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6
Q

action of procerus m.

A

wrinkles bridge of nose

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7
Q

A of nasalis m.

A

compresses and dilates nostril

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8
Q

A of levator labii superioris alaeque nasi m.

A

dilates nostril

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9
Q

A of temporalis m.

A

elevates and retracts the mandible

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10
Q

A of masseter m.

A

elevates and clenches the mandible

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11
Q

A of medial pterygoid m.

A

elevates, protracts, and rotates mandible

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12
Q

A of lateral pterygoid m.

A

protrudes and rotates mandible; opens the mouth

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13
Q

____ provides sensory innervation to the face and anterior scalp

A

trigeminal (CN V)

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14
Q

____ provides sensory innervation to the back of the head, ears and jaw

A

cervical nerve (C2, C3)

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15
Q

cervical spinal nerves that provide sensory innervation to the posterior head include:

A

greater occipital n. (C2)
lesser occipital n. (C2)
greater auricular n. (C2/3)

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16
Q

branches of the ophthalmic division of trigeminal nerve

A 
supraorbital n. - to central forehead
supratrochlear n. - to medial forehead
infratrochlear n. - to upper nose
external nasal n. - to lower nose
lacrimal n. - to lateral brow
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17
Q

____ passes through the parotid gland; damage to this nerve results in paralysis of facial mm on affected side

A

facial n. CN VII

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18
Q

prior to entering the parotid gland, CN VII gives off a branch that innervates the _____ and ____

A

posterior belly of digastric m.

stylohyoid m.

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19
Q

when CN VII enters the parotid gland, it bifurcates into _____ branches

A

superior temporofacial

inferior cervicofacial

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20
Q

6 branches of the facial n.

A 
posterior auricular
temporal
zygomatic
buccal
marginal mandibular
cervical
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21
Q

superficial temporal a. and v. travel with ____ n.

A

auriculotemporal

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22
Q

branch of superficial temporal vessels that crosses masseter m. between zygomatic arch and parotid duct

A

transverse facial artery and vein

23
Q

superficial nodes of the face

A

submental nodes
submandibular nodes
preauricular and parotid nodes

24
Q

the pterion is the intersection between:

A

frontal, parietal, temporal, and greater wing of sphenoid

25
Q

sutures are ____ joints bwteen the adjacent bones of the skull and are linked by a thin layer of connective tissue called _____

A

fibrous; sutural ligament

26
Q

pterion is an H shaped intersection between ____ and _____ sutures

A

coronal; squamosal

27
Q

most superior point on the cranium usually about midway on the midsagittal suture

A

vertex

28
Q

there are ____ bones of the face; there are ___ pairs which are responsible for the bilateral symmetry of the face

A

14; 6

29
Q

bones of the face

A 
nasal bones (2)
maxilla bones (2)
zygomatic bones (2)
mandible
lacrimal bones (2)
vomer
palatine bones (2)
inferior nasal concha (2)
30
Q

roof of the nasal cavity

A

nasal bones, frontal sinus, ethmoid, sphenoid sinus

31
Q

floor and lateral wall of nasal cavity

A

maxilla

32
Q

floor of the nasal cavity

A

palatine horizontal plate

33
Q

medial wall of the nasal cavity

A

nasal septum, vomer, and perpendicular plate of ethmoid

34
Q

layers of the scalp

A 
skin
connective tissue (dense)
aponeurosis
loose connective tissue
pericranium
35
Q

vessels supplying the scalp

A

supratrochlear and supraorbital- branches of ICA

superficial temporal, posterior auricular, and occipital- branches of ECA

36
Q

sensory nerves supplying the scalp

A

supratrochlear and supraorbital (from V1)
zygomaticotemporal (from V2)
auriculotemporal (from V3)
lesser occipital (C2, C3)- from Erb’s point
greater occipital (C2)

37
Q

“danger space” of the scalp where infection can spread easily

A

loose areolar tissue

38
Q

the cervical branch of CN VII innervates _____

A

platysma m.

39
Q

the buccal branch of CN VII innervates _____

A

buccinator m.

40
Q

superficial temporal a. and v. run anterior to the ear with the ____ n. (branch of V3)

A

auriculotemporal n.

41
Q

facial a. is ____ to facial v.

A

anterior

42
Q

branch of facial a. and v. to the lips

A

superior and inferior labial a. and v.

43
Q

branch of facial a. and v. to the medial angle of the eye

A

angular a. and v.

44
Q

lymphatic drainage pattern for the head and neck

A

remains ipsilateral
drains medial to lateral
drains inferiorly and generally superficial to deep

45
Q

submandibular nodes follow the course of the ____

A

facial a.

46
Q

frey’s syndrome involves ____

A

gustatory sweating

47
Q

temporal branch of facial n. travels:

A

superiorly to the temples

48
Q

zygomatic branch of facial n. travels:

A

inferior to zygomatic arch

49
Q

buccal branch of facial n. travels

A

medially to buccinator m.

50
Q

marginal mandibular branch of facial n. travels:

A

along inferior mandible

51
Q

cervical branch of facial n. travels:

A

inferiorly to platysma m.

52
Q

posterior auricular branch of facial n. travels:

A

posteriorly to lower ear

53
Q

transverse facial a. (branch of superficial temporal a.) crosses ____ m. between ____ and ____

A

masseter; zygomatic arch; parotid duct

Anatomy II Unit 2 (14 decks)

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