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GR > 12. Head,neck, & TMJ > Flashcards

12. Head,neck, & TMJ Flashcards

1
Q

What does scalp stand for? what’s seen in each layer?

A

Skin- hair follicles & sebaceous glands
Connective tissue- major arteries & veins
Aponeurosis- called “galea aponeurotica”
Loose areolar tissue- houses the “emissary veins”
Periosteum/pericranium- nutrition for the scalp

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2
Q

layer of scalp called the dangerous layer

A

Loose areolar veins

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3
Q

what are the 3 ear ossicles

A

Hammer
Anvil
Stirrups

Other names in the same order
Malleus
Incus
Stapes

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4
Q

what are the 8 cranial bones

A

Parietal (2)
Temporal (2)
Frontal
Occipital
Ethmoid
Sphenoid

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5
Q

What are the 14 facial bones

A

Nasal
Inferior nasal conchae
Lacrimal
Palatine
Zygomatic
Vomer (1)
Maxilla
Mandible (1)

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6
Q

Posterior fontanelle closes at what age?

A

9-12 mos/ 1y/o

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7
Q

Anterior fontanelle closes at what age?

A

18-24mos/ 2y/o

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8
Q

A closed anterior fontanelle is called___

A

Bregma

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9
Q

A closed posterior fontanelle is called___

A

lambda

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10
Q

this is a depression at the root of the nose

A

nasion

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11
Q

this is the groove in between the nose and the upper lip

A

philtrum

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12
Q

these are creases in between the nose & mouth

A

nasolabial folds

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13
Q

this is the thinnest portion of the lateral skull

A

pterion

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14
Q

what artery is found beneath the pterion

A

meningeal artery

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15
Q

this is another term for external occipital protuberance

A

Inion or bum of knowledge

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16
Q

this is the skin in between the superciliary ridges

A

glabella

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17
Q

action of occipitofrontalis muscle, what expression does it do?

A

raising of eyebrows; surprise

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18
Q

action of corrugator supercilii, what expression

A

approximates the eyebrows, frowning

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19
Q

action of procerus, what expresison

A

wrinkles the nose; distaste/ disgust

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20
Q

action of zygomaticus major

A

smiling

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21
Q

action of zygomaticus minor

A

accessory muscle for smiling; protrude the upper lip

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22
Q

action of levator labii superioris

A

elevate upper lip

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23
Q

action of levator angular oris, what expression

A

elevates the angle of mouth; sneering

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24
Q

action/expression of risorius

A

grimace

25
Q

action of buccinator

A

blowing, sucking, whistling, puffing of cheeks

26
Q

action of orbicularis oris

A

closes lips, muscle for kissing

27
Q

action of mentalis

A

pouting/ protrusion of lower lip

28
Q

action of platysma; other term

A

depresses the angle of the mouth

EGAD muscle

29
Q

review notes on muscles of the eye

A

green notebook

30
Q

Structure that passes through cribriform plate

A

CN1

31
Q

Structure that passes through optic canal

A

CN2

32
Q

Structure that passes through superior orbital fissure

A

CN 3,4,5vi,6

33
Q

Structure that passes through foramen rotundum

A

CN5v2

34
Q

Structure that passes through foramen ovale

A

CN5v3

35
Q

Structure that passes through internal auditory meatus

A

CN7.8

36
Q

Structure that passes through jugular foramen

A

CN 9,10,11

37
Q

Structure that passes through hypoglossal canal

A

CN 12

38
Q

Structure that passes through foramen magnum

A

CN 11, vertebral arteries, spinal cord, site where medulla oblongata sits

39
Q

Structure that passes through foramen Lacerum

A

Internal carotid artery

40
Q

Structure that passes through foramen spinosum

A

medial meningeal artery

41
Q

ligament that attaches hyoid to the skull

A

stylohyoid ligament

42
Q

Suprahyoid muscles

A

Digastric (dual innervation)
Mylohyoid
Stylohyoid
Geniohyoid

43
Q

infrahyoid muscles

A

Thyrohyoid
Omohyoid
Sternohyoid
Sternothyroid

44
Q

of all infrahyoid muscles, which muscle is no innervated by the ansacervicales

A

Thyrohyoid, innervated by C1

45
Q

CPP of TMJ jt

A

clenched teeth

46
Q

capsular pattern of tmj jt

A

limitation in mouth opening

47
Q

TMJ

what happens during the 1st 26mm of mouth opening

A

bilat ant rotation occurs, followed by bilat ant translation

48
Q

normal value of mouth opening

A

35-55mm

knuckle test:
3finger breadths= normal
2 finger breadths= functional

49
Q

TMJ

what happens during mouth closing; normal value

A

bilat post translation, followed by bilat post rotation; 0 deg

50
Q

TMJ

what happens during protrusion; normal value

A

bilat ant translation; 3-6mm or <7 mm

51
Q

TMJ

what happens during retrusion; normal value

A

bilat post translation; 3-4mm

52
Q

TMJ

what happens during retrusion; normal value

A
53
Q

TMJ what happens during excursion/ lat dev; normal valua

A

ipsi rot, contra translation; 10-15mm

54
Q

primary muscles for mastication

A

Temporalis
Internal pterygoid
Masseter
External pterygoid

55
Q

muscles used to elevate TMJ

A

Temporalis
Internal pterygoid
Masseter

56
Q

muscles used to depress TMJ

A

External pterygoid

57
Q

Muscles used for protrusion

A

Internal pterygoid
Masseter
External pterygoid

58
Q

Muscles used for retrusion

A

Temporalis (post. fibers)

59
Q

Muscles used for excursion

A

Internal pterygoid
External pterygoid

GR (31 decks)

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