Unit 4 - Head and Neck: Classification of CN Fibers and Nuclei (Ex. III)

Question 1

general visceral efferent (GVE)

Answer 1

innervate smooth muscle of:

• viscera
• intraocular muscles
• heart
• salivary glands

oculomotor, facial, glossopharyngeal, vagus

Question 2

special visceral efferent (SVE)

Answer 2

innervate skeletal muscles derived from branchial arches

trigeminal, facial, glossopharyngeal, vagus, accessory

Question 3

general somatic afferent (GSA) (somatic sensation)

Answer 3

conduct impulses from:

• skin
• skeletal muscle spindles

trigeminal, facial, glossopharyngeal, vagus

Question 4

special somatic afferent (SSA)

Answer 4

conduct impulses from:

• retina
• auditory and vestibular apparatuses

optic, vestibulocochlear

Question 5

general visceral afferent (GVA) (visceral sensation)

Answer 5

conduct impulses from:

• viscera
• BVs

glossopharyngeal, vagus

Question 6

special visceral afferent (SVA)

Answer 6

conduct impulses from:

• taste buds
• olfactory mucosa

olfactory, facial, glossopharyngeal, vagus

Question 7

general somatic efferent (GSE) (somatomotor function)

Answer 7

innervate skeletal muscles

oculomotor, trochlear, abducens, accessory, hypoglossal