CRANIAL NERVES

Question 1

How many cranial nerves are there

Answer 1

12

Question 2

What is the name of Cranial nerve 1

Answer 2

Olfactory nerve

Question 3

Name cranial nerve 2

Answer 3

Optic nerve

Question 4

Name cranial nerve 3

Answer 4

Oculomotor nerve

Question 5

Name cranial nerve 4

Answer 5

Trochlear nerve

Question 6

Name cranial nerve 5

Answer 6

Trigeminal
V1 = ophthalmic
V2= Maxillary
V3= Mandibular

Question 7

Name cranial nerve 6

Answer 7

Abducent nerve

Question 8

Name cranial nerve 7

Answer 8

Facial nerve

Question 9

Name cranial nerve 8

Answer 9

Vestibulocochlear nerve

Question 10

Name cranial nerve 9

Answer 10

Glossopharyngeal nerve

Question 11

Name cranial nerve 10

Answer 11

Vagus nerve

Question 12

Name cranial nerve 11

Answer 12

Accessory nerve

Question 13

Name cranial nerve 12

Answer 13

Hypoglossal nerve

Question 14

Where does the olfactory nerve exit the skull

Answer 14

Cribriform plate

Question 15

Where does the optic nerve exit the skull

Answer 15

Optic canal

Question 16

Where does the oculomotor nerve exit the skull

Answer 16

Orbital tissue

Question 17

Where does the trochlear nerve exit the skull

Answer 17

Orbital fissure

Question 18

Where does the trigeminal nerve exit the skull

Answer 18

V1 = orbital fissure 
V2= round foramen 
V3 = Oval foramen

Question 19

Where does the abducent nerve exit the skull

Answer 19

Orbital fissure

Question 20

Where does the facial nerve exit the skull

Answer 20

Stylomastoid foramen / internal acoustic meatus

Question 21

Where does the vestibulocochlear nerve exit the skull

Answer 21

Internal acoustic meatus

Question 22

Where does the Glossopharyngeal nerve exit the skull

Answer 22

Jugular foramen

Question 23

Where does the vagus nerve exit the skull

Answer 23

Jugular foramen

Question 24

Where does the accessory nerve exit the skull

Answer 24

Jugular foramen

Question 25

Where does the hypoglossal nerve exit the skull

Answer 25

Hypoglossal canal

Question 26

Origin of olfactory nerve

Answer 26

Cerebrum- olfactory bulb

Question 27

Origin of optic nerve

Answer 27

Diencephalon

Question 28

Origin of oculomotor nerve

Answer 28

Ventral midbrain

Question 29

Origin of trochlear nerve

Answer 29

Dorsal midbrain

Question 30

Origin of trigeminal nerve

Answer 30

Junction of the pons and medulla oblongata

Question 31

Origin of abducent nerve

Answer 31

Medulla oblangata

Question 32

Origin of facial nerve

Answer 32

Medulla oblongata

Question 33

Origin of vestibularcochlear nerve

Answer 33

Medulla oblongata

Question 34

Origin of glossopharyngeal nerve

Answer 34

Medulla oblongata

Question 35

Origin of vagus nerve

Answer 35

Medulla oblongata

Question 36

Origin of accessory nerve

Answer 36

Medulla oblongata

Question 37

Origin of hypoglossal nerve

Answer 37

Medulla oblongata

Question 38

What fibre types does the olfactory contain

Answer 38

Sensory - SVA

Question 39

What fibre types does the optic nerve contain

Answer 39

Sensory - SSA

Question 40

What fibre types does the oculomotor nerve contain

Answer 40

Motor- GSE and GVE

Question 41

What fibre type does the trochlear nerve contain

Answer 41

Motor- GSE

Question 42

What fibre types does the trigeminal nerve contain

Answer 42

Both
V1- sensory GSA
V2- sensory GSA
V3- both GSA and GSE

Question 43

What fibre types does the abducent nerve contain

Answer 43

Motor - GSE

Question 44

What fibre types does the facial nerve contain

Answer 44

Both- SVA GVE GSE GSA

Question 45

What fibre types does the vestibulocochlear nerve contain

Answer 45

Sensory- SSA

Question 46

What fibre types does the glossopharyngeal nerve contain

Answer 46

Both - GSE GVA GVE GSA and SVA

Question 47

What fibre types does the vagus nerve contain

Answer 47

Both- GSE GVA GVE GSA and SVA

Question 48

What fibre types does the accessory nerve contain

Answer 48

Motor - GSE

Question 49

What fibre types does the hypoglossal nerve contain

Answer 49

Motor- GSE

Question 50

What is the function of the olfactory nerve

Answer 50

Transmits the sense of smell

Question 51

What is the function of the optic nerve

Answer 51

Transmits visual information

Question 52

What is the function of the oculomotor nerve

Answer 52

• Supplies the external muscles of the eyeball for eye movement
• controls focusing the lens
• controls pupil constriction

Question 53

What is the function of the trochlear nerve

Answer 53

Supplies the dorsal oblique muscle ( eye movements)

Question 54

What is the function of the trigeminal nerve

Answer 54

V1- face sensation
V2- goes to teeth
V3- supplies mastication ventral throat and palate muscles and salivary glands

Question 55

What is the function of the abducent nerve

Answer 55

Controls the lateral rectus and retractor bulbi muscles ( in the eye)

Question 56

What is the function of the facial nerve

Answer 56

• detects taste
• allows facial expression
• motor to salivary lacrimal glands

Question 57

What is the function of the vestibulocochlear nerve

Answer 57

• senses balance

- senses sound

Question 58

Function of the glossopharyngeal nerve

Answer 58

• controls muscles for swallowing

- detects tongue sensations

Question 59

What is the function of the vagus nerve

Answer 59

• detects thoracic and abdominal organ sensations

- controls thoracic and abdominal movements

Question 60

What is the function of the accessory nerve

Answer 60

Controls the trapezius and 3 neck muscles

Question 61

What is the function of the hypoglossal nerve

Answer 61

Controls the intrinsic and extrinsic tongue movements