Cranial Nerves Flashcards
(59 cards)
1
Q
CN I
A
Olfactory
2
Q
CN II
A
Optic
3
Q
CN III
A
Occulomotor
4
Q
CN IV
A
Trochlear
5
Q
CN V
A
Trigeminal
6
Q
CN VI
A
Abducens
7
Q
CN VII
A
Facial
8
Q
CN VIII
A
Vestibulocochlear
9
Q
CN IX
A
Glossopharyngeal
10
Q
CN X
A
Vagus
11
Q
CN XI
A
Spinal Accessory nerve
12
Q
CN XII
A
Hypoglossal
13
Q
CN I Function
A
Sensory
14
Q
CN II Function
A
Sensory
15
Q
CN III Function
A
Motor
16
Q
CN IV Function
A
Motor
17
Q
CN V Function
A
Both
18
Q
CN VI Function
A
Motor
19
Q
CN VII Function
A
Both
20
Q
CN VIII Function
A
Sensory
21
Q
CN IX Function
A
Both
22
Q
CN X Function
A
Both
23
Q
CN XI Function
A
Motor
24
Q
CN XII Function
A
Motor
25
CN I and II are located where in the brain?
Forebrain
26
CN III and IV are located where in the brain?
Midbrain
27
CN V is located where within the brain?
Pons
28
CN VI VII and VIII are located where within the brain?
Junction of the Pons and Medulla
29
CN IX and X are located where within the brain?
Medulla
30
CN XI is located where within the brain?
Spinal Chord
31
CN XII is located where within the brain?
Medulla - Most medial of all cranial nerves
32
What is the general rule of the cranial nerves?
From CN I they move posteriorly and laterally except CN XII which is more medial that CN XI
33
When do Cranial Nerve I first appear?
When passing the cribiform plate of the ethmoid bone
34
List the Motor Nerves
```
CN III
CN IV
CN VI
CN XI
CN XII
```
35
What muscles are controlled via the Oculomotor nerve CN III?
```
SR MR IR IO
Superior Rectus
Medial Rectus
Inferior Rectus
Inferior Oblique
```
36
What muscle is controlled by the parasympathetics of the Oculomotor Never CN III
Sphincter Pupillae Cilliary Muscle
37
What muscle is controlled by the trochlear nerve?
Superior Oblique
38
What is special about the trochlear nerve?
Only nerve to exit the posterior aspect of the midbrain
39
What muscles are supplied by the Abducens VI ?
Lateral Rectus
40
What muscles does the Hypoglossal XII innervate?
Genioglossal
Hypoglossal
Styloglossal
41
What muscles does the Spinal Accessory Nerve XI innervate?
Sternocleidomastoid
| Trapezoids
42
Where does the Spinal Accessory Nerve arise from?
Cervical Spinal Chord
| Passes up back into the cranium before descending via the jugular foramen
43
What nerve does the Pontine Trigeminal Nucleus belong too?
CN V Trigeminal
44
What is the function of the Pontine Nucleus?
Touch and vibration
45
CN I exits the skull via
Cribiform Plate
46
CN II exits the skull via
Optic Canal
47
CN III exits the skull via
Superior Orbital Fissure
48
CN IV exits the skull via
Superior Orbital Fissure
49
CN V1 exits the skull via
Superior Orbital Fissure
50
CN VI exits the skull via
Superior Orbital Fissure
51
CN V2 exits the skull via
Foramen Rotundum
52
CN V3 exits the skull via
Foramen Ovale
53
CN VII exits the skull via
Internal Acoustic Meatus
54
CN VIII exits the skull via
Internal Acoustic Meatus
55
CN IX exits the skull via
Jugular Foramen
56
CN X exits the skull via
Jugular Foramen
57
CN XI exits the skull via
Jugular Foramen
58
CN XII exits the skull via
Hypoglossal Canal
59
Which nerve supplies sensory innervation to the dura matter?
CN V Trigeminal
