W20/L4

Question 1

What’s the name of CN 1?

Answer 1

Olfactory

Question 2

What’s the name of CN 2?

Answer 2

Optic

Question 3

What’s the name of CN 3?

Answer 3

Oculomotor

Question 4

What’s the name of CN 4?

Answer 4

Trochlear

Question 5

What’s the name of CN 5?

Answer 5

Trigeminal

Question 6

What’s the name of CN 6?

Answer 6

Abducent

Question 7

What’s the name of CN 7?

Answer 7

Facial

Question 8

What’s the name of CN 8?

Answer 8

Vestibulocochlear

Question 9

What’s the name of CN 9?

Answer 9

Glossopharyngeal

Question 10

What’s the name of CN 10?

Answer 10

Vagus

Question 11

What’s the name of CN 11?

Answer 11

Accessory

Question 12

What’s the name of CN 12?

Answer 12

Hypoglossal

Question 13

Which nerves are purely sensory?

Answer 13

1: Olfactory
2: Optic
8: Vestibulocochlear

Question 14

Which nerves are purely motor?

Answer 14

3: Oculomotor
4: Trochlear
6: Abducent
11: Accessory
12: Hypoglossal

Question 15

Which nerves are mixed function?

Answer 15

5: Trigeminal
7: Facial
9: Glossopharyngeal
10: Vagus

Question 16

How many columns of cranial nerve nuclei are there?

Answer 16

6 on each side of the midline

Question 17

Which columns are the motor nerve nuclei?

Answer 17

The 3 medial ones

medial - motor

Question 18

What are the names of the motor nerve columns?

Answer 18

Somatic
Branchial
Visceral

(from medial to lateral)

Question 19

What are the somatic nerve nuclei?

Answer 19

3: Oculomotor
4: Trochlear
6: Abducent
12: Hypoglossal

Question 20

Which nuclei are in the branchial arch/column?

Answer 20

5: Mandibular division of trigeminal for muscles of mastication
7: Facial for muscles of facial expression
Nucleus ambiguus: for muscles of pharynx and larynx
11 (which is actually in the spinal cord)

Question 21

Which CNs have roots in the nucleus ambiguus?

Answer 21

9 (glosso.) and 10 (vagus)

Question 22

Where is the nucleus ambiguus?

Answer 22

Behind the inferior olive