Lecture 1 - Cranial Nerve Nuclei

Question 1

Somatic motor (GSE)

Functions

Answer 1

1. Extraocular muscles
2. Intrinsic tongue muscles

Question 2

Somatic motor (GSE)

Brainstem nuclei

Answer 2

1. Oculomotor
2. Trochlear
3. Abducens
4. Hypoglossal

Question 3

Somatic motor (GSE)

Cranial nerve(s)

Answer 3

1. CN III
2. CN IV
3. CN VI
4. CN XII

Question 4

Branchial motor (SVE)

Functions

Answer 4

Muscles of:

1. Mastication
2. Facial expression
3. Middle ear
4. Pharynx
5. Laryns
6. SCM
7. Upper portion of trapezius

Question 5

Branchial motor (SVE)

Brainstem nuclei

Answer 5

1. Motor nucleus of CN V
2. Facial nucleus
3. Nucleus ambiguus
4. Accessory spinal nucleus

Question 6

Branchial motor (SVE)

Cranial nerve(s)

Answer 6

1. CN V
2. CN VII
3. CN IX, X
4. CN XI

Question 7

Parasympathetic (GVE)

Functions

Answer 7

1. Parasympathetic innervation of head and thoracoabdominal viscera above splenic flexure

Question 8

Parasympathetic (GVE)

Brainstem nuclei

Answer 8

Edinger-Westphal nucleus (CN III)

Superior salivary nucleus (CN VII)

Inferior salivatory nucleus (CN IX)

Dorsal motor nucleus of CN X

Question 9

Parasympathetic (GVE)

Cranial nerve(s)

Answer 9

1. CN III
2. CN VII
3. CN IX
4. CN X

Question 10

Visceral sensory (SVA)

Functions

Answer 10

1. Taste

Question 11

Visceral sensory (GVA)

Functions

Answer 11

1. Inputs for control olf cardiorespiratory and digestive function

Question 12

Visceral sensory (SVA)

Brainstem nuclei

Answer 12

1. Rostral nucleus solitarius (gustatory nucleus)

Question 13

Visceral sensory (GVA)

Brainstem nuclei

Answer 13

1. Caudal nucleus solitarius (cardiorespiratory nucleus)

Question 14

Visceral sensory (SVA)

Cranial nerves

Answer 14

1. CN VII
2. CN IX
3. CN X

Question 15

Visceral sensory (GVA)

Cranial nerves

Answer 15

1. CN IX
2. CN X

Question 16

General somatic sensory (GSA)

Functions

Answer 16

The following for the face, sinuses, and meninges:

1. Tough
2. Pain
3. Temperature
4. Position
5. Vibration sense

Question 17

General somatic sensory (GSA)

Brainstem nuclei

Answer 17

1. Trigeminal nuclei

Question 18

General somatic sensory (GSA)

Cranial nerves

Answer 18

1. CN V
2. CN VII
3. CN IX
4. CN X

Question 19

Special somatic sensory (SSA)

Functions

Answer 19

1. Olfaction
2. Vision
3. Hearing
4. Vestibular sensation

(olfaction and vision do not have
sensory nuclei in brainstem)

Question 20

Special somatic sensory (SSA)

Brainstem nuclei

Answer 20

1. Cochlear nuclei
2. Vestibular nuclei

Question 21

Special somatic sensory (SSA)

Cranial nerves

Answer 21

1. CN VIII