Neuro 2 pt3

Question 1

Cranial Nerve VIII: Vestibulocochlear

has 2 divisions:

Answer 1

cochlear (hearing)

vestibular (balance)

Question 2

Cranial Nerve IX: Glossopharyngeal

Motor – innervates the stylopharyngeus muscle, and provides motor fibers to the:

Answer 2

parotid salivary gland

Question 3

Cranial Nerve IX: Glossopharyngeal

Sensory – fibers conduct taste and general sensory impulses for the

Answer 3

posterior 2/3 tongue and pharynx (overlaps w/ Vagus nerve)

Question 4

What nerve Innervates the parotid gland to do its secretions?

Answer 4

Glossopharyngeal (CN IX)

Question 5

Which nerve?
Most motor fibers are parasympathetic fibers to the heart, lungs, and visceral organs
Dysfunction could cause paralysis and hoarseness
Total destruction incompatible with life

Answer 5

Vagus nerve

Question 6

**preganglionic fibers of PARAsympathetic neurons are very:

Answer 6

very long and more specific with their end function

Question 7

**Preganglionic fibers of sympathetic neurons are very:

Answer 7

very short, and have diffuse effect on many organs

Question 8

the Accessory nerve innervates what? (2)

Answer 8

the trapezius and sternocleidomastoid, which move the head and neck

Question 9

Innervates both extrinsic and intrinsic muscles of the tongue, which contribute to swallowing and speech

Answer 9

Hypoglossal nerve

Question 10

, difficulties in speech and swallowing; inability to protrude tongue are damage in what nerve?

Answer 10

Hypoglossal nerve

Question 11

Which CN is involved with lacrimation?

Answer 11

facial nerve (CN VII)

Question 12

___ nerve is the back of the palate, to make “kuh” noises

___ nerve is what makes you say “lalala”

Answer 12

Vagus

Hypoglossal