Quiz 3 Flashcards
(109 cards)
1
Q
The muscles of Facial Expression is innervated by this nerve?
A
Facial Nerve
2
Q
Is Facial Expression voluntary or non voluntary?
A
Non-Voluntary
3
Q
What are the 5 branches of the Facial Nerve?
A
Temporal
Zygomatic
Bucal
Mandibular
Cervical
4
Q
If this gland is infected it can cause compression of all the facial nerve branches?
A
Parotid Gland
5
Q
The muscles of Mastication are innervated by this nerve?
A
Motor Root of the Mandibular Division of the Trigeminal nerve.
6
Q
What is the action of Occipitofrontalis?
A
Arches the eyebrow
- Lifts the superior Palpebreae
- Opens up visual field
- Disbelief & Suspicion
7
Q
What is the origin of the occipitofrontalis?
A
Frontal Bone
8
Q
What is the insertion of the occipitofrontalis?
A
Occipital Bone
9
Q
What is the action of corrugator supercilli
A
Medial Deviation of the eyebrows
- Thinking, Concentration
- Narrow point of focus
10
Q
What is the innervation of the corrugator supercilli?
A
Temporal and Zygomatic Nerve
11
Q
What is the action of procerus?
A
Inferiorly draws medial deviated eyebrows
Can only be contracted while corrugator supercilli is contracted.
12
Q
You can’t use procerus without the contraction of this muscle?
A
Corrugator Supercilli
13
Q
What is the action of orbicularis occuli?
A
Closing Eyes and Winking
14
Q
What is the insertion of Orbicularis Oris?
A
Lips
15
Q
What is the action of Orbicularis Oris?
A
Purses the Lips
Kissing formation of lips
Assists in eating and sound production during speech.
16
Q
What is the action of Nasalis.
A
Pulls up on the Nairs.
Opens up the Nairs and Flairs Nostrils
17
Q
What is the action of Depressor Septi?
A
Closing/Decreasing size of nares.
18
Q
What is the insertion of Zygomaticus Major and Minor?
A
Corner of Orbicularis Oris
19
Q
What is the Origin of Zygomaticus Major and Minor?
A
Zygomatic Arch
20
Q
What is the action of Zygomaticus Major and Minor?
A
Pulls back mouth superiorly and laterally
Smiling
21
Q
What is the origin of Risorius?
A
Zygomatic Arch
22
Q
What is the insertion of Risorius?
A
The Corners of the Corner of the orbicularis oris
23
Q
What is the action of Risorius?
A
Smiling Muscle “Fake Smile”
Pulls corners of mouth laterally
24
Q
What is the origin of Levator Labii Superioris?
A
(Superficial Muscle)
Lower area of Orbit
25
What is the insertion of Levator Labii Superioris?
Upper Lip/Superior Labii
26
What is the action of Levator Labii Superioris?
Elevates the upper lip
Can cover nostrils with your nose, cut off smell.
27
What is the action of Levator Anguli Oris?
Synergist Hard smile
Raises Corners of the mouth upward.
28
Is Levator Anguli Oris a deep or superficial?
Deep
29
What is the action of Depressor Anguli Oris?
Depressing the angle of the mouth.
Frowning
30
What is the pouting muscle?
Depressor Labii Inferioris
31
What is the action of Depressor Labii Inferioris?
Depressing the lower lip
Frowning
32
What muscle is the muscle responsible for closing your eye or blinking?
Orbicularis Occuli
33
This muscle helps you when producing sound and also eating?
Orbicularis Oris
34
These muscles will open up the nairs or close the nairs?
Depressor Septi: Decreasing/Closing Nairs
Nasalis: Open up Nairs
35
What muscle is responsible for neck bulge and aggression?
Platysma
36
What is hte
Cervical Branch of the Facial Nerve
37
What is the origin of Platysma?
Inferior Border of Mandible
38
What is the insertion of the Platysma?
Anterior Throat region, blending into the skin
39
What happens when you contract Platysma?
SCM pops out more
Allows veins and arteries to bulge and become more prominent.
40
What is the action of the buccinator?
Compressing the cheeks to remove air from the cheeks.
41
What is the origin of Temporalis?
Temporal Bone
42
What is the insertion of Temporalis?
Coronoid Process of the Mandible
43
What is the action of Temporalis?
Elevator of the mandible at the TM Joint
Mandibular Elevation Synergist
44
What is the innervation of Temporalis?
Motor Root of the mandibular division of the Trigeminal Nerve
45
What is the origin of Masseter?
Zygomatic Arch
46
What is the insertion of Masseter?
Inferior Border of Mandible
Angle of Mandible
47
What is the action of Masseter?
Elevation of Mandible
Primary elevator of Mandible
48
What is the innervation of Masseter?
Motor Root of the mandibular division of the Trigeminal Nerve
49
What is the origin of Pterygoids?
Medial and Lateral Pterygoid Plates
50
What is the insertion of Pterygoids?
Angle of the mandible from the internal aspect
51
What is the action of Pterygoids?
Depresses the mandible (Open Mouth)
52
What is the innervation of Pterygoids?
Motor Root of the mandibular division of the Trigeminal Nerve
53
Describe occlusion?
The space between the teeth when you open your mouth.
54
What happens to the muscles when there is a lower motor neuron injury?
Flacidity
55
What happens to the muscles when there is a upper motor neuron injury?
Rigidity
From brain injury
Muscles become stiff
56
What types of cells allow for themselves to repair after damage?
Schwaan Cells
57
What sensory nerve does not go through the Thalamus for filtration?
Olfactory, Smell goes right to the brain.
58
What is the MNEUMONIC for the cranial nerves!!!
Only Optimistic Octopus Tentacles Try and Feel Very Good Vaginally Accessible Hymens
59
What are the 12 Cranial Nerves
```
O: Olfactory
O: Optic
O: Occulomotor
T: Trochlear
T: Trigeminal
A: Abducens
F: Facial
V: VestibuloCochlear
G: Glossopharyngeal
V: Vagus
A: Accessory Nerve (Spinal)
H: Hypoglossal
```
60
What does the olfactory nerve do?
Sense of Smell
61
Where do the olfactory nerves pass through?
Cribiform Plate
Synapses to Cortex directly
62
What does the optic nerve do?
Responsible for sense of sight
63
What are the three areas of the optic nerve?
Optic Nerve
Optic Chiasm
Optic Tract
64
Where does the optic nerve pass through?
Optic Canal
65
What happens if the Optic Chiasm is damaged?
Peripheral Vision in both eyes are lost
66
What happens if the Optic Nerve is damaged?
You lose entire sight for the same eye.
Sever Left Optic Nerve = Loss of Sight in Left Eye
67
If you damage the optic tract?
You lose contralateral vision in both eyes.
Brain will make up rest of visual field to make up for black space. Much more dangerous.
68
What is the Occulomotor nerve responsible for?
Innervation of All of the recti muscles except lateral rectus. Also innervates levator palpabrae: lift eyelid. Also Inferior Oblique: Up and Out Rolling eye.
- Moves Eye Up
- Moves Eye Down
- Moves Eye Medially
69
What does the Trochlear nerve innervate?
Innervates Superior Oblique.
Moves eye down and out. Allows you to roll eyes laterally.
70
What are the three branches of the Trigeminal Nerve?
Opthlamic
Maxillary
Mandibular
71
What does the Opthalmic branch of the Trigeminal Nerve innervate?
Forehead
72
What does the Maxillary branch of the Trigeminal Nerve innervate?
Zygomatic Area
73
What does the Mandibular branch of the Trigeminal Nerve innervate?
Jaw Line
Muscles of Mastication
74
What is the motor root of the Mandibular Branch of Trigeminal responsible for?
Muscles of Mastication
75
Opthlamic travels through what structure in skull?
Supraorbital Foramen
76
Maxillary division of trigeminal travels through what structure of skull?
Foramen Rotunda, Inferior Orbital Fissure, Infraorbital Foramen
77
Mandibular division (motor and sensory) of trigeminal travels through what structure of skull?
Foramen Ovale, Mental Foramen
78
The Trigeminal is also responsible for what sensory other then the areas of the face?
Sensory for tongue, eye, teeth, and tastebuds.
79
What does abducens control?
Controls lateral movement of eye.
Lateral Rectus
80
What are the 5 branches of the Facial Nerve?
Temporal, Zygomatic, Buccal, Mandibular, Cervical
81
What structure does the facial nerve pass through?
Stylomastoid Foramen
82
What is the vestibulo-cochlear nerve responsible for?
Sense of Balance and Hearing
83
What structure does the Vestibulo-Cochlear nerve pass through?
Internal Auditory Meatus
84
What is the glossopharyngeal nerve responsible for?
Sensory: Posterior 1/3 of the tongue, Uvula, pharynx.
Can sense when something is too big to fit through your throat.
85
What structure does the glossopharyngeal pass through?
Jugular Fossa
86
What is the Vagus nerve responsible for?
Motor for pharangeal muscles for gag reflex.
Also restores body to homeostasis
87
What structure does the vagus nerve pass through?
Jugula Fossa
88
What is the Accessory nerve responsible for?
Innervating Sternocleidomastoid and Trapezius
Helps us perform the "duck reflex" to protect our neck structures.
89
What structure does the accessory nerve pass through?
Jugular Fossa ---> Foramen Magnum
90
What is the hypoglossal responsible for?
Motor for tongue. Intrinsic muscles to change shape and extrinsic muscles to move the tongue around inside the mouth.
91
What is the facial nerve responsible for?
Sensory: Tip of tongue for taste
Motor: All muscles of facial expression
92
What structure does the hypoglossal go through?
Hypoglossal Canal
93
What is the innervation of the frontal belly of the occipitofrontalis?
Temporal
94
What is the innervation of the occiptal belly of the occipitofrontalis?
Posterior Auricular
95
What is the innervation of orbicularis oculi?
Temporal and Zygomatic
96
What is the innervation of Corrugator Supercilli?
Temporal and Zygomatic
97
What is the innervation of Procerus?
Buccal
98
What is the innervation of Nasalis?
Buccal
99
What is the innervation of Depressor Septi?
Buccal
100
What is the innervation of Risorius?
Buccal and Mandibular
101
What is the innervation of Zygomatic Major & Minor?
Buccal
102
What is the innervation of Levator Labii Superioris?
Buccal
103
What is the innervation of Levator Anguli Oris?
Buccal
104
What is the innervation of Depressor Anguli Oris?
Buccal and Mandibular
105
What is the innervation of Depressor Labii Inferioris?
Buccal and Mandibular
106
What is the innervation of Mentalis?
Buccal and Mandibular
107
What is the innervation of Buccinator?
Buccal
108
What is the innervation of Orbicularis Oris?
Buccal and Mandibular
109
What is the innervation of Platysma?
Cervical
