Cranial Nerves

Question 1

Cranial Nerve 1

Answer 1

Olfactory Nerve 1

Question 2

Cranial Nerve 2

Answer 2

Optic Nerve 2

Question 3

Cranial Nerve 3

Answer 3

Oculomotor Nerve 3

Question 4

Cranial Nerve 4

Answer 4

Trochlear Nerve 4

Question 5

Cranial Nerve 5

Answer 5

Trigeminal Nerve 5

Question 6

Trigeminal Nerve 5 Branches (3)

Answer 6

1. Ophthalmic Division V1
2. Maxillary Division V2
   3, Mandibular Division V3

Question 7

Cranial Nerve 6

Answer 7

Abducens Nerve 6

Question 8

Cranial Nerve 7

Answer 8

Facial Nerve 7

Question 9

Cranial Nerve 8

Answer 9

Vestibulocochlear Nerve 8

Question 10

Cranial Nerve 9

Answer 10

Glossopharyngeal Nerve 9

Question 11

Cranial Nerve 10

Answer 11

Vague Nerve 10

Question 12

Cranial Nerve 11

Answer 12

Accessory Nerve 11

Question 13

Cranial Nerve 12

Answer 13

Hypoglossal Nerve 12

Question 14

Function/ Pathway of Olfactory Nerve 1

Answer 14

Function: smell (sensory)
Pathway: cribriform plate

Question 15

Function/Pathway of Optic Nerve 2

Answer 15

Function: sight (sensory)
Pathway: optic canal

Question 16

Function/Pathway of Oculomotor Nerve 3

Answer 16

Function: (1)ciliary muscle, (2)constricts pupil, (3) extrinsic eye muscles except superior oblique and lateral rectus—– (MOTOR)
Pathway: Superior Orbital Fissure

Question 17

Function/Pathway of Trochlear Nerve 4

Answer 17

Function: superior oblique muscle of the eye (motor)
Pathway: superior orbital fissure

Question 18

Function of Trigeminal Nerve 5

Answer 18

Function:

1. Sensory
   - face
   - teeth
   - tongue
2. Motor
   - muscle of mastication

Question 19

Pathway of Ophthalmic Division V1

Answer 19

1. Superior Orbital Fissure

2. Supraorbital foramen

Question 20

Pathway of Maxillary Division V2

Answer 20

1. Foramen Rotundum
2. Inferior Orbital Fissure
3. infraorbital foramen

Question 21

Pathway of Mandibular Division V3

Answer 21

1. Foramen Ovale
2. mandibular foramen
3. mental foramen

Question 22

Function/Pathway of Abducens Nerve 6

Answer 22

Function: (motor) lateral rectus
Pathway: superior orbital fissure

Question 23

Function/Pathway of Facial Nerve 7

Answer 23

Function:
1.Sensory
- taste (anterior 2/3)
2. Motor
- muscles of facial expression, secretion of saliva/tears
(SPIDER)
Pathway: internal acoustic meatus, stylomastoid foramen

Question 24

Function/Pathway of Vestibulocochlear Nerve 8

Answer 24

Function: (sensory) 
-Hearing
-Balance
- Posture
Pathway: Internal acoustic meatus

Question 25

Function/Pathway of Glossopharyngeal Nerve 9

Answer 25

Function:
Sensory
- taste (posterior 1/3 tongue)
Motor
- swallowing and secretion of saliva
Pathway
- jugular foramen

Question 26

Function/Pathway of Vagus Nerve 10

Answer 26

Function: sensory and motor
- 70% of the parasympathetic division of the ANS
Pathway
-jugular foramen

Question 27

Function/Pathway of Accessory Nerve 11

Answer 27

Function: (motor) trapezius and sternocleidomastoid
Pathway: jugular foramen

Question 28

Function/Pathway of Hypoglossal Nerve 12

Answer 28

Function: (motor) muscles of the tongue
Pathway: Hypoglossal canal