12. Head,neck, & TMJ

Question 1

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

Answer 1

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

Question 2

layer of scalp called the dangerous layer

Answer 2

Loose areolar veins

Question 3

what are the 3 ear ossicles

Answer 3

Hammer
Anvil
Stirrups

Other names in the same order
Malleus
Incus
Stapes

Question 4

what are the 8 cranial bones

Answer 4

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

Question 5

What are the 14 facial bones

Answer 5

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

Question 6

Posterior fontanelle closes at what age?

Answer 6

9-12 mos/ 1y/o

Question 7

Anterior fontanelle closes at what age?

Answer 7

18-24mos/ 2y/o

Question 8

A closed anterior fontanelle is called___

Answer 8

Bregma

Question 9

A closed posterior fontanelle is called___

Answer 9

lambda

Question 10

this is a depression at the root of the nose

Answer 10

nasion

Question 11

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

Answer 11

philtrum

Question 12

these are creases in between the nose & mouth

Answer 12

nasolabial folds

Question 13

this is the thinnest portion of the lateral skull

Answer 13

pterion

Question 14

what artery is found beneath the pterion

Answer 14

meningeal artery

Question 15

this is another term for external occipital protuberance

Answer 15

Inion or bum of knowledge

Question 16

this is the skin in between the superciliary ridges

Answer 16

glabella

Question 17

action of occipitofrontalis muscle, what expression does it do?

Answer 17

raising of eyebrows; surprise

Question 18

action of corrugator supercilii, what expression

Answer 18

approximates the eyebrows, frowning

Question 19

action of procerus, what expresison

Answer 19

wrinkles the nose; distaste/ disgust

Question 20

action of zygomaticus major

Answer 20

smiling

Question 21

action of zygomaticus minor

Answer 21

accessory muscle for smiling; protrude the upper lip

Question 22

action of levator labii superioris

Answer 22

elevate upper lip

Question 23

action of levator angular oris, what expression

Answer 23

elevates the angle of mouth; sneering

Question 24

action/expression of risorius

Answer 24

grimace

Question 25

action of buccinator

Answer 25

blowing, sucking, whistling, puffing of cheeks

Question 26

action of orbicularis oris

Answer 26

closes lips, muscle for kissing

Question 27

action of mentalis

Answer 27

pouting/ protrusion of lower lip

Question 28

action of platysma; other term

Answer 28

depresses the angle of the mouth EGAD muscle

Question 29

review notes on muscles of the eye

Answer 29

green notebook

Question 30

Structure that passes through cribriform plate

Answer 30

CN1

Question 31

Structure that passes through optic canal

Answer 31

CN2

Question 32

Structure that passes through superior orbital fissure

Answer 32

CN 3,4,5vi,6

Question 33

Structure that passes through foramen rotundum

Answer 33

CN5v2

Question 34

Structure that passes through foramen ovale

Answer 34

CN5v3

Question 35

Structure that passes through internal auditory meatus

Answer 35

CN7.8

Question 36

Structure that passes through jugular foramen

Answer 36

CN 9,10,11

Question 37

Structure that passes through hypoglossal canal

Answer 37

CN 12

Question 38

Structure that passes through foramen magnum

Answer 38

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

Question 39

Structure that passes through foramen Lacerum

Answer 39

Internal carotid artery

Question 40

Structure that passes through foramen spinosum

Answer 40

medial meningeal artery

Question 41

ligament that attaches hyoid to the skull

Answer 41

stylohyoid ligament

Question 42

Suprahyoid muscles

Answer 42

Digastric (dual innervation) Mylohyoid Stylohyoid Geniohyoid

Question 43

infrahyoid muscles

Answer 43

Thyrohyoid Omohyoid Sternohyoid Sternothyroid

Question 44

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

Answer 44

Thyrohyoid, innervated by C1

Question 45

CPP of TMJ jt

Answer 45

clenched teeth

Question 46

capsular pattern of tmj jt

Answer 46

limitation in mouth opening

Question 47

TMJ what happens during the 1st 26mm of mouth opening

Answer 47

bilat ant rotation occurs, followed by bilat ant translation

Question 48

normal value of mouth opening

Answer 48

35-55mm knuckle test: 3finger breadths= normal 2 finger breadths= functional

Question 49

TMJ what happens during mouth closing; normal value

Answer 49

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

Question 50

TMJ what happens during protrusion; normal value

Answer 50

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

Question 51

TMJ what happens during retrusion; normal value

Answer 51

bilat post translation; 3-4mm

Question 52

TMJ what happens during retrusion; normal value

Question 53

TMJ what happens during excursion/ lat dev; normal valua

Answer 53

ipsi rot, contra translation; 10-15mm

Question 54

primary muscles for mastication

Answer 54

Temporalis Internal pterygoid Masseter External pterygoid

Question 55

muscles used to elevate TMJ

Answer 55

Temporalis Internal pterygoid Masseter

Question 56

muscles used to depress TMJ

Answer 56

External pterygoid

Question 57

Muscles used for protrusion

Answer 57

Internal pterygoid Masseter External pterygoid

Question 58

Muscles used for retrusion

Answer 58

Temporalis (post. fibers)

Question 59

Muscles used for excursion

Answer 59

Internal pterygoid External pterygoid