cranial nerves

Question 1

cranial nerve 1

Answer 1

OLFACTORY
smell

Question 2

cranial nerve 2

Answer 2

OPTIC
vision

Question 3

cranial nerve 3

Answer 3

OCULOMOTOR
supply extra ocular muscles (moves eye)

Question 4

cranial nerve 4

Answer 4

TROCHLEAR
supply extra ocular muscles (moves eye)

Question 5

cranial nerve 5

Answer 5

TRIGEMINAL
supplies sensory innervation to the face (ophthalmic, maxillary and mandibular divisions) as well as motor innervation to the muscles of mastication (masseter, temporalis, and the two pterygoid muscles – lateral and medial).

Question 6

cranial nerve 6

Answer 6

ABDUCENS
supply extra ocular muscles (moves eye)

Question 7

cranial nerve 7

Answer 7

FACIAL
supplies the muscles of facial expression (branchial motor fibres/special visceral efferent), special sensory fibres (special visceral afferent; taste), general sensory fibres (general somatic afferent; ear), parasympathetic fibres (general visceral efferent – innervating the sublingual and submandibular salivary glands)

Question 8

cranial nerve 8

Answer 8

VESTIBULOCOCHLEAR
hearing and balance

Question 9

cranial nerve 9

Answer 9

GLOSSOPHARYNGEAL
many things - throat, pharynx

Question 10

cranial nerve 10

Answer 10

VAGUS
has many different fibres
slows heart rate and breathing
increases gut motility
muscles of larynx

Question 11

cranial nerve 11

Answer 11

SPINAL ACCESSORY
2 muscles in neck

Question 12

cranial nerve 12

Answer 12

HYPOGLOSSAL
majority of muscles of tongue