Pathways and Functional Components of CN V, VII, IX, X

Question 1

Nucleus

Answer 1

Collection of cell bodies in the CNS

Question 2

Ganglion

Answer 2

Collection of cell bodies outside of the CNS

Question 3

CN from Telencephalon

Answer 3

Olfactory (CN I)

Question 4

CN from Diencephalon

Answer 4

Optic (CN II)

Question 5

CN from Midbrain

Answer 5

Oculomotor (CN III) + Trochlear (CN IV)

Question 6

CN from Pons

Answer 6

Trigeminal (CN V), Abducens (VI), Facial (VII), Vestibulocochlear (VIII)

Question 7

CN from Medulla

Answer 7

Glossopharyngeal (IX), Vagus (X), Spinal Accessory (XI) Hypoglossal (XII)

Question 8

What cranial nerve arises from both the medulla and spinal cord

Answer 8

Spinal accessory nerve (XI)

Question 9

The telencephalon gives rise to

Answer 9

Cerebrum

Question 10

The diencephalon gives rise to

Answer 10

Thalamus, hypothalamus, and epithalamus

Question 11

Which nerve is the only nerve that arises from the dorsal surface of the brainstem?

Answer 11

Trochlear (IV)

Question 12

Each nerve can be described as

Answer 12

sensory, motor, or mixed

Question 13

Motor to skeletal m.

Answer 13

general somatic efferent

Question 14

motor to smooth m., cardiac m., glands

Answer 14

general visceral efferent

Question 15

sensory from touch, temp, smell

Answer 15

general somatic afferent

Question 16

Sensory from internal organs, glands, blood vessels

Answer 16

general visceral afferent

Question 17

Senses derived from ectoderm (sight, sound balance)

Answer 17

special somatic sensory

Question 18

Senses derived from endoderm (taste, smell)

Answer 18

special visceral sensory

Question 19

Muscles derived from pharyngeal arches

Answer 19

special visceral motor

Question 20

Muscles of myotomic origins in the head

Answer 20

Extraocular muscles (III, IV, VI), Tongue muscles (XII)

Question 21

General somatic efferent is carried by

Answer 21

III, IV, VI, XII

Question 22

General visceral efferent is

Answer 22

parasympathetic

Question 23

Parasympathetics are carried on which CN?

Answer 23

III, VII, IX, X

Question 24

Supplies smooth and cardiac muscles and control glandular secretion (salivary and lacrimal glands)

Answer 24

General visceral efferent

Question 25

Supplies muscles derived from the branchial arches

Answer 25

Special visceral efferent

Question 26

Pharyngeal arch 1

Answer 26

Muscles of jaw by CN V

Question 27

Pharyngeal arch 2

Answer 27

Muscles of face by CN VII

Question 28

Pharyngeal arch 3

Answer 28

Stylopharyngeus muscles CN IX

Question 29

Pharyngeal arch 4, 6

Answer 29

Muscles of pharynx and larynx by CN X, XI

Question 30

Carries pain, temperature, touch, and proprioception from the head

Answer 30

General somatic afferent

Question 31

General somatic afferent CNs

Answer 31

V, VII, IX, X-sensory nucleus of trigeminal (which is why we can have referred pain)

Question 32

Carries sensory information from the special sense organs (eye, ear)

Answer 32

Special somatic afferent

Question 33

Special somatic afferent CNs

Answer 33

II, VII

Question 34

Fibers carrying sensations from viscera and glands (neck, thorax, abdomen)

Answer 34

General visceral afferent

Question 35

General visceral afferent CNs

Answer 35

IX, X

Question 36

Fibers carrying information from olfactory and taste sensation

Answer 36

Special visceral afferent

Question 37

Special visceral afferent CNs

Answer 37

I, VII, IX, X

Question 38

Taste sensation from what nucleus

Answer 38

Nucleus solitarius/ Nucleus of the solitary tract

Question 39

How many neurons for sensory?

Answer 39

3, except some sensory

Question 40

How many neurons for motor?

Answer 40

2, upper and lower motor neurons

Question 41

GVE Superior Salivatory Nucleus

Answer 41

CN VII-salivary (except parotid) and lacrimal glands

Question 42

GVE Inferior Salivatory Nucleus

Answer 42

CN IX-Parotid gland

Question 43

GVE Dorsal motor nucleus

Answer 43

CN X-carotid sinus, body, thoracoabdominal viscera

Question 44

Pharyngeal Arch 1

Answer 44

CN V-muscles of mastication

Question 45

Pharyngeal Arch 2

Answer 45

CN VII-muscles of facial expression

Question 46

Pharyngeal Arch 3

Answer 46

CN IX-Stylopharyngeal

Question 47

Pharyngeal Arch 4

Answer 47

CN X, XI-Pharyngeal, laryngeal, and palatine muscles