Session 5 - Cranial Nerves Flashcards Preview

Head, Neck and Neuroanatomy > Session 5 - Cranial Nerves > Flashcards

Flashcards in Session 5 - Cranial Nerves Deck (12):
1

What is the function of the olfactory nerve (CN I)?

Olfaction

2

What is the function of the optic nerve (CN II)?

Sight

3

What are the functions of the oculomotor nerve (CN III)?

Motor - most extra-ocular muscles, levator palpebrae superioris
Parasympathetic - ciliary muscles, sphincter pupillae

4

What is the function of the trochlear nerve (CN IV)?

Motor - superior oblique muscle

5

What are the functions of the trigeminal nerve (CN V)?

General sensory - sensation over face and facial structures
Motor - muscles of mastication

6

What is the function of the abducens nerve (CN VI)?

Motor - lateral rectus muscle

7

What are the functions of the facial nerve (CN VII)?

Special sensory - taste (anterior 2/3 of tongue)
Motor - muscles of facial expression
Parasympathetic - lacrimal gland and salivary glands (sublingual and submandibular)

8

What are the functions of the vestibulocochlear nerve (CN VIII)?

Hearing
Balance

9

What are the functions of the glossopharyngeal nerve (CN IX)?

Special sensory - taste (posterior 1/3 of tongue)
General sensory - posterior 1/3 of tongue, tonsils, soft palate, pharynx
Motor - stylopharyngeus
Parasympathetic - parotid gland

10

What are the functions of the vagus nerve (CN X) in the head and neck?

General sensory - lower pharynx and larynx
Motor - muscles of the soft palate, pharynx and larynx

11

What are the functions of the (spinal) accessory nerve (CN XI)?

Motor - sternocleidomastoid and trapezius

12

What is the function of the hypoglossal nerve (CN XII)?

Motor - tongue muscles