Cranial Nerves Flashcards

1
Q

how many cranial nerves are there?

A

12 (paired)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

where do the cranial nerves arise?

A
  • oflactory and optic (first 2) - cerebrum
  • remaining ten emerge from brainstem
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

which cranial nerves originate from the cerebrum?

A

olfactory (CN I)
optic (CN II)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

which cranial nerves arise from the brainstem?

A

CN III - XII

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

which cranial nerve comes from the posterior side of the midbrain?

A

trochlear nerve IV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

where does the trochlear nerve (CN IV) arise?

A

posterior side of the midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what cranial nerve arises from the midbrain-pontine junction?

A

oculomotor (CN III)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

where does the oculomotor nerve arise?

A

midbrain-pontine junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what cranial nerve arises from the pons?

A

trigeminal (V)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

where does the trigeminal (V) nerve arise?

A

pons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what cranial nerves arise from the pontine-medulla junction?

A

abducens (VI)
facial (VII)
vestibulocochlear (VIII)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

where do cranial nerves VI-VIII arise?

A

pontine-medulla junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what cranial nerves arise from the medulla oblongata posterior to the olive?

A

glossopharyngeal (IX)
vagus (X)
accessory (XI)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

where do the glossopharyngeal, vagus and accessory cranial nerves arise?

A

medulla oblongata, posterior to the olive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

do

where does the hypoglossal nerve arise?

A

medulla oblongata, anterior to the olive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what cranial nerve arises from the medulla oblongata, anterior to the olive?

A

hypoglossal (XII)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

CN I?

A

olfactory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

CN II?

A

optic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

CN III

A

oculomotor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

CN IV

A

trochlear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

CN V

A

trigeminal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

CN VI

A

abducens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

CN VII

23
Q

CN VIII

A

vestibulocochlear

24
CN IX
glossopharyngeal
25
CN X
vagus
26
CN XI
spinal accessory
27
CN XII
hypoglossal
28
olfactory
CN I?
29
optic
CN II?
30
oculomotor
CN III
31
trochlear
CN IV
32
trigeminal
CN V
33
abducens
CN VI
34
facial
CN VII
35
vestibulocochlear
CN VIII
36
glossopharyngeal
CN IX
37
vagus
CN X
38
spinal accessory
CN XI
39
hypoglossal
CN XII
40
general somatic afferent/GSA
general sensation from skin
41
general visceral afferent/GVA
general sensation from the viscera (internal organs in main body cavities, eg. abdomen)
42
special somatic afferent/SSA
senses derived from ectoderm (sight, sound, balance)
43
special visceral afferent/SVA
senses derived from the endoderm (taste, smell)
44
general somatic efferent/GSE
skeletal muscles
45
general visceral efferent/GVE
smooth muscles of gut and autonomic motor
46
special visceral efferent/SVE
muscles derived from pharyngeal arches
47
how many modalities are there for cranial nerves?
7 * 4 sensory/afferent * 3 motor/efferent
48
general sensation from skin
general somatic afferent/GSA
49
general sensation from the viscera (internal organs in main body cavities, eg. abdomen)
general visceral afferent/GVA
50
senses derived from ectoderm (sight, sound, balance)
special somatic afferent/SSA
51
senses derived from the endoderm (taste, smell)
special visceral afferent/SVA
52
skeletal muscles
general somatic efferent/GSE
53
smooth muscles of gut and autonomic motor
general visceral efferent/GVE
54
muscles derived from pharyngeal arches
special visceral efferent/SVE
55
what is the modality of CN I?