M2-C2-L02 --> Introduction To Cranial Nerves

Front 1

Cranial nerve #1
Name and component.

Back 1

Olfactory

Sensory

Front 2

Cranial nerve #2
Name and component.

Back 2

Optic

Sensory

Front 3

Cranial nerve #3
Name and component.

Back 3

Oculomotor

Motor

Front 4

Cranial nerve #4
Name and component.

Back 4

Trochlear

Motor

Front 5

Cranial nerve #5
Name and component.

Back 5

Trigeminal

Both

Front 6

Cranial nerve #6
Name and component.

Back 6

Abducens

Motor

Front 7

Cranial nerve #7
Name and component.

Back 7

Facial

Both

Front 8

Cranial nerve #8
Name and component.

Back 8

Vestibulocochlear

Sensory

Front 9

Cranial nerve #9
Name and component.

Back 9

Glossopharyngeal

Both

Front 10

Cranial nerve #10
Name and component.

Back 10

Vagus

Both

Front 11

Cranial nerve #11
Name and component.

Back 11

Spinal Accessory

Motor

Front 12

Cranial nerve #12
Name and component.

Back 12

Hypoglossal

Motor

Front 13

Which cranial nerves are the GVE parasympathetics?

Back 13

3, 7, 9, 10

Front 14

Which cranial nerves are Bronchial/Gill arches?

Back 14

5, 7, 9, 10

Front 15

Spinal nerves contain what nerve components?

Back 15

GSA
GSE
GVA
GVE

Front 16

Cranial nerves with GSA components.

Back 16

5, 7, 9, 10

Front 17

Cranial nerves with GVA components.

Back 17

7, 9, 10

Front 18

Cranial nerves with GSE components.

Back 18

3, 4, 6, 11, 12

Front 19

Cranial nerves with GVE components (parasympathetics).

Back 19

3, 7, 9, 10

Front 20

Cranial nerves with SSA components.

Back 20

2, 8

Front 21

Cranial nerves with SVA components.

Back 21

1, 7, 9, 10

Front 22

Cranial nerves with SVE components (Brachial Efferents)

Back 22

5, 7, 9, 10

Front 23

Sensory Cranial nerves usually contain what type of neurons?

Back 23

Unipolar or Bipolar neurons

Front 24

Motor Cranial nerves usually contain what type of neurons?

Back 24

Multipolar neurons

Front 25

What are the components of Sensory Cranial Nerves?

Back 25

GSA
GVA
SSA
SVA

Front 26

What are the components of Motor Cranial Nerves?

Back 26

GSE
GVE
SVE

Front 27

Ol Factory nerve - Where on the brain is it located and where does it come from?

Back 27

Located on Forebrain

Comes from Cerebrum

Front 28

Optic Nerve - Where on the brain is it located and where does it come from?

Back 28

Located on Forebrain

Comes from thalamus

Front 29

Components of Olfactory nerve.

Back 29

SVA

Front 30

Components of optic nerve.

Back 30

SSA

Front 31

What type of nerve is the optic nerve?

Back 31

Not really a nerve, but rather an extension of the brain (CNS tract)

Front 32

The Occulomotor nerve (CN III) is located where?

Back 32

Midbrain

Front 33

The Trochlear nerve (CN IV) is located where?

Back 33

Midbrain

Front 34

The Abducens nerve (CN VI) is located where?

Back 34

Pons

Front 35

What are the CN's that innervate all the external eye muscles (state name and number)?

Back 35

III - Oculomotor nerve
IV - Trochlear
VI - Abducens

Front 36

What are the components of the Oculomotor nerve (CN III)?

Back 36

GVE
GSE

Front 37

What does the GVE component of the Oculomotor nerve (CN III) innervate?

Back 37

All the intrinsic muscles of the eye.

Front 38

What does the GSE component of the the Oculomotor nerve (CN III) innervate?

Back 38

Most of the extrinsic eye muscles, but specifically Levator Palpebrae Superioris.

Front 39

What are the components of the Trochlear nerve (CN IV)?

Back 39

GSE

Front 40

What muscle does the Trochlear nerve (CN IV) innervate?

Back 40

Superior Oblique

Front 41

What are the components of the Abducens nerve (CN VI)?

Back 41

GSE

Front 42

What muscle does the Abducens nerve (CN VI) innervate?

Back 42

Lateral Rectus

Front 43

The Vestibulocochlear nerve is responsible for what physiological function?

Back 43

Maintains balance/equilibrium and hearing

Front 44

The Hypoglossal nerve (CN XII) innervates what muscle?

Back 44

All tongue muscles except for the palataglossus, which is innervated by the Vagus.

Front 45

What are the components of the Vestibulocochlear nerve (CN VIII)?

Back 45

SSA

Front 46

What are the components of the Hypoglossal nerve (CN XII)?

Back 46

GSE

Front 47

What are the components of the Spinal Accessory Nerve (CN XI)?

Back 47

GSE

Front 48

What muscle does the Spinal Accessory Nerve (CN XI) innervate?

Back 48

Sternocleidomastoid

and

Trapezius

Front 49

What are the MAJOR innervations of the Auricle of ear? Give name and nerve origin

Back 49

Auriculotemporal nerve (From CN V)

Great Auricular nerve (From C2)

Lesser Occipital Nerve (From C2,3)

Front 50

What are the MINOR innervations of the Auricle of ear?

Back 50

CN VII
CN IX
CN X

Front 51

What cranial nerves innervate the external auditory canal and the tympanic membrane?

Back 51

CN V
CN VII
CN IX
CN X

Front 52

Which CN's have sensory ganglia?

Back 52

5, 7, 8, 9, 10

Front 53

Which CN's have parasympathetic ganglia?

Back 53

3, 7, 9, 10