Cranial Nerves

Question 1

List the Cranial Nerves in order

Answer 1

1. Olfactory
2. Optic
3. Oculomotor
4. Trochlear
5. Trigeminal
6. Abducens
7. Facial
8. Vestibulocochlear
9. Glossopharyngeal
10. Vagus
11. Accessory
12. Hypoglossal

Question 2

List the functions of the Cranial Nerves in order

Answer 2

1. Sensory
2. Sensory
3. Motor
4. Motor
5. Both
6. Motor
7. Both
8. Sensory
9. Both
10. Both
11. Motor
12. Motor

Question 3

What are the nerves that control the movement of the eyes?

Answer 3

Oculomotor, Trochlear, Abducens

Question 4

How do you test CN 3, 4, 6?

Answer 4

1. Cardinal Gaze
2. PERRLA

Question 5

What is the condition when the pupils are unequal?

Answer 5

Anisocoria

Question 6

What is the condition when the pupils are dilated?

Answer 6

Mydriasis

Question 7

What is the condition when the pupils are constricted?

Answer 7

Myosis

Question 8

How do you test CN 5?

Answer 8

Motor = chewing
Sensory = feel of the face

Question 9

How do you test CN 7?

Answer 9

Motor = facial expressions
Sensory = sweetness

Question 10

What is the function of CN 8?

Answer 10

Vestibule = balance
Cochlear = hearing

Question 11

How do you test CN 9 and 10?

Answer 11

Motor = swallowing and gag reflex
Sensory = bitterness

Question 12

How do you test CN 11?

Answer 12

1. Trapezius = shoulder shrug
2. Sternocleidomastoid = move head against resistance

Question 13

What is the purpose of CN 11?

Answer 13

Accessory muscles for respiration

Question 14

How do you test CN 12?

Answer 14

Move tongue in different directions