Chapter 18: Brain and cranial Nerves

Question 1

What are the 12 Cranial Nerves

Answer 1

Olfactory (l)

Optic (ll)

Oculomotor (lll)

Trochlear (lV)

Trigeminal (V)

Abducens (Vl)

Facial (Vll)

Vestibulocochlear ( Vlll)

Glossopharyngel (IX)

Vagus (X)

Accessory ( XI)

Hypoglossal (Xll)

Question 2

To remember what function the cranial nerves have Sensory, Motor or Both. Use this saying

Answer 2

S= Sensory
M= Motor
B= Both

Some
Say
Money
Matters
But
My
Brother
Says
Big
Brains
Matter
More

Question 3

Olfactory Nerve (l) ONE

Answer 3

Sensory Function: Smell

Question 4

Optic Nerve (ll) TWO

Answer 4

Sensory Function: Vision

Question 5

Oculomotor Nerve (lll) THREE

Answer 5

Motor Function: Controls eye muscles to move

Muscles that help move the eye are

-Superior, inferior, and medial rectus
- Inferior oblique
- Levator palpebrae superiors
- Intrinsic eye muscles

Question 6

Trochlear Nerves (IV) FOUR

Answer 6

Motor Function: Controls superior oblique eye muscle

Question 7

Trigeminal Nerves (V) FIVE

Answer 7

Both sensory and motor functions: Sensations, the largest of the cranial nerves

Question 8

Abducens Nerves (Vl) SIX

Answer 8

Motor Function: Controls eye movements

Question 9

Facial Nerves (Vll) SEVEN

Answer 9

Sensory= Taste from anterior two-thirds of the tongue
Motor: Controls muscles in the face, lacrimal gland and sublingual gland

Question 10

Vestibulocochlear Nerves (Vlll) EIGHT

Answer 10

Sensory Function: Balance and Hearing

Question 11

Glossopharyngeal Nerves (IX) NINE

Answer 11

Sensory and Motor Functions: Taste from the posterior of the tongue. Baroreceptors and Chemoreceptors.

Question 12

Vagus Nerves (X) TEN

Answer 12

Sensory= information from organs
Motors: sends information to the organs

Question 13

Accessory Nerves (XI) ELEVEN

Answer 13

Motor Function: Controls the palate, sternocleidomastoid, trapzius

Question 14

Hypoglossal Nerves (XII) Twelve

Answer 14

Motor Function: Controls tongue movement