Spinal and Cranial Nerves

Question 1

What are the five types of cranial nerves?

Answer 1

Somatic Afferent
Somatic efferent
Visceral afferent
Visceral efferent
Special sensory afferent

Question 2

Somatic afferent innervation (Sensory)

Answer 2

Skin, skeletal muscle, joints, TO the CNS

Question 3

Somatic efferent (Motor)

Answer 3

CNS to skin, skeletal muscle, etc.

Question 4

Visceral afferent (Sensory)

Answer 4

Blood vessels, guts, lungs, etc. to the CNS

Question 5

Visceral efferent (motor)

Answer 5

CNS to gut, BVs, lungs, etc.

Question 6

Special sensory afferent

Answer 6

ears, eyes, nose, tongue

Question 7

Name of Nerve I

Answer 7

Olfactory nerve

Question 8

Name of Nerve II

Answer 8

Optic

Question 9

Name of Nerve III

Answer 9

Oculomotor

Question 10

Name of Nerve IV

Answer 10

Trochlear

Question 11

Name of Nerve V1

Answer 11

Ophthalmic br.

Question 12

Name of Nerve V2

Answer 12

Maxillary br.

Question 13

Name of Nerve V3

Answer 13

Mandibular br.

Question 14

Name of Nerve VI

Answer 14

Abducens

Question 15

Name of Nerve VII

Answer 15

Facial

Question 16

Name of Nerve VIII

Answer 16

Vestibulocochlear

Question 17

Name of Nerve IX

Answer 17

Glossopharyngeal

Question 18

Name of Nerve X

Answer 18

Vagus

Question 19

Name of Nerve XI

Answer 19

Accessory (Spinal)

Question 20

Name of Nerve XII

Answer 20

Hypoglossal

Question 21

Function of Nerve I (Olfactory)

Answer 21

Special Sensory

Question 22

Function of Nerve II (Optic)

Answer 22

Special Sensory

Question 23

Function of Nerve III (Oculomotor)

Answer 23

Motor

Question 24

Function of Nerve IV (Trochlear)

Answer 24

Motor

Question 25

Function of Nerve V1 (Ophthalmic br.)

Answer 25

Sensory

Question 26

Function of Nerve V3 (Mandibular br.)

Answer 26

Sensory

Question 27

Function of Nerve VI (Abducens)

Answer 27

Motor

Question 28

Function of Nerve VII (Facial)

Answer 28

Motor/Special Sensory

Question 29

Function of Nerve VIII (Vestibulocochlear)

Answer 29

Special Sensory

Question 30

Function of Nerve IX (Glossopharyngeal)

Answer 30

Special Sensory/Motor

Question 31

Function of Nerve X (Vagus)

Answer 31

Sensory, Special Sensory, motor

Question 32

Function of Nerve XI (Accessory)

Answer 32

Motor

Question 33

Function of Nerve XII (Hypoglossal)

Answer 33

Motor

Question 34

Function of Nerve V2 (Maxillary br.)

Answer 34

Sensory

Question 35

Target/Source of Nerve I (Olfactory)

Answer 35

Olfactory epithelium

Question 36

Target/Source of Nerve II (Optic)

Answer 36

The retina of the Eye

Question 37

Target/Source of Nerve III (Oculomotor)

Answer 37

4 extrinsic muscles of the eye

Question 38

Target/Source of Nerve IV (Trochlear)

Answer 38

1 extrinsic muscle of the eye

Question 39

Target/Source of Nerve V1 (Ophthalmic br.)

Answer 39

Skin- upper 1/3 of the face

Question 40

Target/Source of Nerve V3 (Mandibular br.)

Answer 40

Skin- lower 1/3 of face, teeth, tongue

Question 41

Target/Source of Nerve VI (Abducens)

Answer 41

1 extrinsic muscle of the eye

Question 42

Target/Source of Nerve VII (Facial)

Answer 42

Muscles of facial expression; Taste on anterior 2/3 of tongue

Question 43

Target/Source of Nerve VIII (Vestibulocochlear)

Answer 43

Inner ear (cochlea and vestibular apparatus)

Question 44

Target/Source of Nerve IX (Glossopharyngeal)

Answer 44

Taste on posterior 1/3 of tongue; muscles of the pharynx

Question 45

Target/Source of Nerve X (Vagus)

Answer 45

Skin of throat+external ear canal; Gag reflex; Muscles of pharynx and gut

Question 46

Target/Source of Nerve XI (Accessory)

Answer 46

Muscles of the pharynx, trapezius, SCM

Question 47

Target/Source of Nerve XII (Hypoglossal)

Answer 47

Muscles of the tongue

Question 48

Target/Source of Nerve V2 (Maxillary br.)

Answer 48

Skin- middle 1/3 of the face, teeth