cranial nerves

Question 1

Olfactory
CN:
Sensory:
Motor:

Answer 1

CN: 1
Sensory: smell
Motor: none

Question 2

Optic
CN:
Sensory:
Motor:

Answer 2

CN: 2
Sensory: vision
Motor: none

Question 3

Oculomotor:
CN:
Sensory:
Motor:

Answer 3

CN: 3
Sensory: none
Motor:
a. visceral - smooth eye muscles
b. somatic skeletal eye muscles

Question 4

Trochlear
CN:
Sensory:
Motor:

Answer 4

CN: 4
Sensory: none
Motor:
a. somatic- skeletal eye muscles

Question 5

Trigeminal
CN:
Sensory:
Motor:

Answer 5

CN: 5
Sensory: general sensations from face, eyes, mouth
Motor:
a. somatic- skeletal muscles of mastication

Question 6

Abducens
CN:
Sensory:
Motor:

Answer 6

CN: 6
Sensory: None
Motor:
a. somatic- skeletal eye muscles

Question 7

Facial
CN:
Sensory:
Motor:

Answer 7

CN: 7
Sensory: taste- anterior tongue(special sense)
Motor:
a. somatic- muscles of facial expressions
b. visceral- salivary glands (parasympathetic)

Question 8

Vestibulocochlear
CN:
Sensory:
Motor:

Answer 8

CN: 8
Sensory: Hearing and equilibrium
Motor: none

Question 9

Glossopharyngeal
CN:
Sensory:
Motor:

Answer 9

CN: 9
Sensory: taste- posterior tongue, general senses from middle ear and throat, BP and gas content within major blood vessels
Motor:
a. somatic- swallowing muscles
b. visceral - salivary gland

Question 10

Vagus
CN:
Sensory:
Motor:

Answer 10

CN: 10
Sensory: general sensations form thoracic and abdominal viscera
Motor:
a. somatic- larynx and swallowing muscles
b. visceral - thoracic and abdominal viscera (parasympathetic)

Question 11

Accessory
CN:
Sensory:
Motor:

Answer 11

CN: 11
Sensory: None
Motor: swallowing muscles; sternocleidomastoid and trapezius(head, neck and shoulder muscles)

Question 12

Hypoglossal
CN:
Sensory:
Motor:

Answer 12

CN: 12
Sensory: none
Motor: tongue muscles