Face, Scalp, TMJ Flashcards
1
Q
Muscle used to raise eyebrows
A
Frontalis
2
Q
Muscle for worried or concerned look
A
Corrugator supercilli
3
Q
A look of surprise when what muscle contracts
A
Frontalis
4
Q
Muscle that makes Wrinkles on forehead
A
Frontalis
5
Q
What muscle closes the eyelids tightly when youre scared
A
Orbital part of orbicularis oculi
6
Q
What closes the eyelids gently when youre blinking or sleeping
A
Palpebral part of orbicularis oculi
7
Q
Muscle that when contracted pulls down the medial end of eyebrows
A
Corrugator supercilli
8
Q
Elevates upper lip
A
Levator labii superioris alaeque nasi
9
Q
What are the actions of levator labii superioris alaeque nasi
A
Flaring of nostrils
Elevates upper lip
Depresses ala of the nose laterally
10
Q
What are the actions of levator labii superioris
A
Elevates upper lip
Deepens the nasolabial fold (when sad)
11
Q
Elevates the angle of the mouth
A
Levator anguli oris
12
Q
When grinning or grimacing
A
Levator anguli oris
13
Q
Draws angle of mouth backward and upward
A
Zygomaticus major
14
Q
Depressor labii inferioris
A
Depress lower lip
15
Q
When youre pouting. Lower lip protruding
A
Mentalis
16
Q
Sphincter muscle that surrounds the oral fissure
A
Orbicularis oris
17
Q
Which can be seen in the cadaver
A
Zygomaticus major
Levator anguli oris
18
Q
Most deeply lovated muscle of facial expression
A
Buccinator
19
Q
Forms the lateral border of the oral cavity
A
Buccinator
20
Q
Important for articulation and mastication
A
Orbicularis oris
21
Q
Aid in mastication
Keep food in vestibule of mouth
A
Buccinator and orbicularis oris
22
Q
Soace between the cheek and teeth
A
Vestibule of mouth
23
Q
Muscle lovated in the subcutaneous tissue of the neck
A
Platysma
24
Q
Clench your teeth or frown
A
Platysma
25
What action of platysma
Tenses the neck when worried or stressed
26
Can depress the mandible
Platysma
27
Muscle that produces flaring of nostrils when angry or habing respiratory difficulty
Nasalis
28
Wiggle your ears
| Not significant
Auricularis or auricular muscle
29
Kissing somebody. Compression of lips
Orbicularis oris
30
Worried or tense look
| Angle of mouth drawn downward
Depressor labii inferioris
| Depressor anguli oris
31
Very happy
Zygomaticus major and minor
32
Grinning
Levator anguli oris
33
Sensory supply of the face is from what cranial nerve
CN V
34
Trigeminal nerve has 3 divisions
Ophthalmic
Maxillary
Mandibular
35
Smallest of the 3 divisions of CN V
Ophthalmic V1
36
Supplies the area of skin derived from the embryonic frontonasal prominence
Ophthalmic dvision of CN V
37
Supplies area of skin from embryonic maxillary prominences
Maxillary division of cn v
38
Only division of CN V with motor fibers
Mandibular division of CN V
39
Supplies area of skin derived form embryonic mandibular prominence and muscles of mastication
Mandibular division of CN V
40
Motor supply of face
Mandibular nerve and facial nerve
41
Supplies muscles of mastication
Mandibular V3
42
Motor supply of muscles of facial expression
Facial nerve
43
Divisions of trigeminal nerve that is solely sensory
Ophthalmic and maxillary
44
Sensory supply to temporal region
Mandibular division
45
Nerve supply of dorsum of nose
Ophthalmic
46
Upper lip nerve supply
Maxillary
47
Eyelids nerve supply
Ophthalmic
48
Cheeks nerve supply
Maxillary
49
The facial nerve exits from the skull and passes which foramen to give off posterior auricular branch
Stylomastoid foramen
50
Posterior auricular branch supplies what
Occipitalis
51
Facial nerve passes thru parotid gland and gives off 5 branches
```
Temporal
Zygomatic
Buccal
Marginal mandibular
Cervical
```
52
Muscles acting on upper lip is supplied by
Buccal branch
53
Supplies lower lip muscles
Marginal mandibular
54
Supplies the platysma
Cervical branch
55
Arterial supply of the face originates from the what artery
External carotid artery
56
Origin of facial artery and temporal artery
External carotid artery
57
Supply of ophthalmic artery
Internal carotid artery
58
Facial artery pulsation can be felt in
Mandible inferior border
59
Another branch of external carotid artery
Superficial temporal
60
Pulsation of superficial temporal
Infront of auricle
61
Branches of ophthalmic artery
Supra orbital and supra trochlear artery
62
Danger area of the face
| Danger triangle
Facial vein communicates with cavernous sinus
Angular vein communicates with superior ophthalmic vein and communicates with cavernous sinus
63
Facial vein communicates with what sinus
Cavernous sinus of the skull
64
Venous channel where facial vein drains or communicates with
Cavernous sinus and pterygoid sinus
65
Any infected wound like pimples can spread to the brain through the what
Cavernous sinus
66
Peripheral facial paralysis
Bell’s palsy
67
Injury of facial nerve to one side
Paralysis of facial muscle on affected side
68
Affected side is the one with what features
Inability to wrinkle brow
Dropping eyelid or inability to close eye
Inability to puff cheeks
Drooping mouth or inability to smile or pucker
69
Inability to wrinkle forehead what muscle affected
Frontalis
70
Cannot smile with teeth so mouth is displaced towards what side
Normal side
71
Lymphatic drainage
Parotid
Submandibular
Submental
Deep cervical
72
Where do lymph nodes parotid; submandibular, submental drain into
Deep cervical
73
Danger area of the face what are within
Upper lip
| Nose
74
Layers of the scalp
Outermost layer
Skin
75
Contains sweat and sebaceous glands, hair follicles
Skin
76
Next layer after skin
Connective tissue
77
scalp layers
```
Skin
Connective tissue
Aponeurosis
Loose areolar tissue
Perocranium
```
78
What kind of CT in the scalp
Dense CT
79
Wound to scalp is usually bloody because
Of dense ct
80
Layer that attaches or holds the two bellies of occipitofrontalis together
Aponeurosis
81
Responsible for superficial wounds to not gape
Aponeurosis
82
Danger layer of the scalp
Loose areolar tissue
83
Why is the danger layer of the scalp called danger layer because
Of the presence of emissary veins which connect the scalp veins with the intracranial venous sinuses
84
Dense layer of CT
| External periosteum of the neurocranium
Pericranium
85
Nerve supply of the anterior border of scalp
CN V
86
Nerve supply of the posterior border of the scalp
Spinal cutaneous nerves C2 and C3
Anterior and posterior rami
87
What are emissary veins. Why is it dangerous
It connect scalp veins to the intracranial venous sinus
88
Lymphatic drainage of scalp
No lymph nodes so lymph drains into the superficial ring of lymph nodes located at the junction it the head and neck
89
Where does lymph of the scalp drain into
Superficial ring of lymph nodes (parotid, mastoid, occipital, submandibular)
90
Blood supply of the posterior scalp
Occipital and posterior auricular artery
91
Supplies the anterior scalp with blood
Superficial temporal artery
92
Superficial temporal artery
Occipital artery
Posterior auricular artery
All from what artery
External carotid artery
93
Supraorbital and supratrochlear artery are from the what artery
Internal carotid artery to ophthalmic artery
94
Part of the mandible that completes the joint is the
Head of the condylar process
95
The temporomandibular joint is a modified what joint
Hinge type of synovial joint
96
Typical structure of a synovial joint
Articulating bones are held together by a fibrous capsule
Fibrous capsule is lined by a synovial membrane
Articulating surfaces are lined by articular cartilage
97
TMJ is a modified synovial joint because
It has an articular disc
98
A fibrocartilage that separates the articular surfaces of the TMJ
Articular disc
99
What divides the joint inyo superior and inferior articular cavity
Articular disc
100
The superior articular cavity functions to
Protrude and retract
101
Function of the inferior articular cavity
Elevation, depression, rotation
102
What ligament strengthens joint laterally preventing posterior dislocation if the TMJ
Lateral ligament
103
Attached on one end to styloid process to angle of the mandible
Stylomandibular ligament
104
Articular disc is what type of cartilage
Fibrocartilage
105
Where usually the dislocation of TMJ
Anterior dislocation
106
More medial ligament
| “Swinging hinge” which serves as both fulcrum and as a check ligament for mandible at the TMJ
Sphenomandibular ligament
107
When mouth is close, what is the position of TMJ
Head of mandible and articular disc in retracted position in the mandibular fossa
108
When mouth is slightly opened, head of mandible and articular disc will begin to move where
Anterioru
109
when mouth is wifely open
| Head of mandible and articular disc will move where and will line what to the articular tubercle
Move anteriorly and line inferior to the articular tubercle
110
What can be identified after chipping off a part of the mandible
Lateral and medial pterygoid
111
What muscles produce these movements of the mandible:
| Elevation (close mouth)
Temporalis
Masseter
Medial pterygoid
112
What muscles cause depression or open mouth
Mainly by gravity but other muscles involved are
Lateral ptyregoid
Suprahyoid muscle
Infrahyoid muscle
113
What protrudes the chin
Lateral pterygoid
Medial pterygoid
Masseter superficial fibers
114
What retrudes chin
Temporalis (posterior oblique and horizontal fibers)
| Masseter
115
Lateral movements are made by what muscles
Temporalis of the same side
Pterygoids of the opposite side
Masseter
116
Blood supply of the tmj
Branches of the maxillary artery which is one if the branches of external carotid artery
117
Nerve supply of TMJ
Mandibular branch of the trigeminal nerve so V3
118
How does lock jaw happen
Person will not be able to close his mouth when the head of the mandible and articular disc move past the articular tubercle
