cranial nerves

Question 1

Olfactory: sensory

Cranial nerve 1

Answer 1

smell

Question 2

optic: sensory

Cranial nerve 2

Answer 2

vision

Question 3

oculomotor: motor

Cranial nerve 3

Answer 3

most extraocular eye movements, opening eyelids, pupil constriction, lens shape

Question 4

trochlear: motor

Cranial nerve 4

Answer 4

downward and inward movement of eyes

Question 5

trigeminal: sensory and motor

Cranial nerve 5

Answer 5

• sensation of scalp, cornea, mucous membrances of nose/mouth
  and
• moves muscles of mastication.

Question 6

abducens: motor

cranial nerve 6

Answer 6

lateral movement of eyes

Question 7

Facial: motor and sensory

Cranial nerve 7

Answer 7

• movement of facial muscles (closes eyes, closes mouth and labial speech).
  and
• taste of anterior 2/3 of tongue

Question 8

vestibulocochlear: sensory

Cranial nerve 8

Answer 8

hearing and equillibrium

Question 9

glossopharyngeal: sensory and motor

cranial nerve 9

Answer 9

• movement of pharynx.
  and
• taste of 1/3 tongue, gag reflex, parotid gland stimulant, carotid reflex.

Question 10

vagus: motor and sensory

Cranial nerve 10

Answer 10

• carotid reflec, general sensation from the carotid body, carotif sinus, pharynx and vicera.
  and
• Movement of pharynx and larynx (talking and swallowing)

Question 11

spinal accessory: motor

Cranial nerve 11

Answer 11

movement of trapezius and sternomastoid muscle

Question 12

Hypoglossal: movement

cranial nerve 12

Answer 12

movement of tongue