Cranial nerves

Question 1

Cranial nerve 1

Answer 1

nn. olfactorii

Question 2

Cranial nerve 2

Answer 2

n.opticus

Question 3

Cranial nerve 3

Answer 3

n. oculomotorius

Question 4

Cranial nerve 4

Answer 4

n. trochlearis

Question 5

Cranial nerve 5

Answer 5

n. trigeminus

Question 6

Cranial nerve 6

Answer 6

n. abducens

Question 7

Cranial nerve 7

Answer 7

n. facialis

Question 8

Cranial nerve 8

Answer 8

n. vestibulocochlearis

Question 9

Cranial nerve 9

Answer 9

n. glossopharyngeus

Question 10

Cranial nerve 10

Answer 10

n. vagus

Question 11

Cranial nerve 11

Answer 11

n. accessorius

Question 12

Cranial nerve 12

Answer 12

n. hypoglossus

Question 13

Name and number of sensory only nerves

Answer 13

1. nn.olfactorii
2. n. opticus
3. n. vestibulocochlearis

Question 14

name and number of motor only nerves

Answer 14

3. n. oculomotorius
4. n. trochlearis
5. n. abducens
6. n.accessorius
7. n.hypoglossus

Question 15

name of cranial nerves that are both sensory and motor

Answer 15

5. n.trigeminus
6. n.facialis
7. n.glossopharynegeus
8. n.vagus

Question 16

Function of 1. nn.olfactorii

Answer 16

Sense of smell

Question 17

What part of the encephalon (brain) is cranial nerve 1 (nn.olfactorii) from.
Where does it go

Answer 17

Telencephalon
Lamina cribrosa/bulbus olfactorius
(os ethmoidale)

Question 18

What is the function of cranial nerve 2 (n. opticus)

Answer 18

Sense of sight

Question 19

What part of the encephalon (brain) is cranial nerve 2 (n.opticus) from
Where does it go through

Answer 19

Diencephaon
Canalis opticus

Question 20

What is the function of cranial nerve 3 (n. oculomotorius)

Answer 20

movement of the eyeballs

Question 21

What part of the encephalon (brain) is cranial nerve 3 (n. oculomotorius)
Where does it go through

Answer 21

mesencephalon
fissura orbitalis

Question 22

What is the function of cranial nerve 4 (n. trochlearis)

Answer 22

movement of the eyeballs

Question 23

What part of the encephalon (brain) is cranial nerve 4 (n. trochlearis) come from
Where does it go through

Answer 23

Mesencephalon
fissura orbitalis

Question 24

What is the function of cranial nerve 5 (n.trigeminus)

Answer 24

sensory info from the face

Question 25

What part of the encephalon (brain) is cranial nerve 5 (n.trigeminus) come from

Answer 25

metencephalon

Question 26

Name the 3 branches of cranial nerve 5

Answer 26

n. opthalmicus n. maxillaris n. mandibularis

Question 27

What is the first branch of cranial nerve 5 (n.trigeminus). What is its function. What does it pass through.

Answer 27

n. opthalmicus Func- takes sensory innervation from the eye Pass- fissura orbitalis

Question 28

What is the second branch of cranial nerve 5 (n.trigeminus). What is its function. What does it pass through.

Answer 28

n. maxillaris Func- sensory fibres for the structures on the head Pass- fissura orbitalis, foramen rotundum, canalis infraorbitalis.

Question 29

What is the third branch of cranial nerve 5 (n.trigeminus). What is its function. What does it pass through.

Answer 29

n. mandibularis Func -sensory fibres for structures on the head - motor fibres of muscles of mastication passes through foramen lacerum (foramen mentale)

Question 30

n. trigeminus contains n.lingualis, what is its function

Answer 30

sense of taste

Question 31

What is the function of cranial nerve 6 (n.abducens)

Answer 31

movement of eyeball

Question 32

What part of the encephalon (brain) is cranial nerve 6 (n.abducnes) come from Where does it go through

Answer 32

Medulla oblongata Fissura orbitalis

Question 33

What is the function of cranial nerve 7 (n. facialis)

Answer 33

Movement of facial muscles Motor- innervate mimic muscles Sensory- innervate lingual mucosa Parasympathetic innervate lacrimal glands, nasal glands, palate muscosa, sublingual gland, mandibular gland (Closes eye)

Question 34

What part of the encephalon (brain) is cranial nerve 7 (n.facialis) come from Where does it go through

Answer 34

Medulla oblongata Foramen stylomastoideum, fissura peterotympanica

Question 35

what is the function of cranial nerve 8 (n. vestibulocochlearis

Answer 35

n. vestibularis - balance n. coccylearis - hearing

Question 36

What part of the encephalon (brain) is cranial nerve 8 (n. vestibulocochlearis) come from

Answer 36

Medulla oblongata

Question 37

What is the function of cranial nerve 9 (n. glossopharyngeus)

Answer 37

Swallowing Sensory- ramus lingualis Motor ramus pharyngeus

Question 38

What part of the encephalon (brain) is cranial nerve 9 (n.glossopharyngeus) come from? Where does it go through?

Answer 38

Medulla oblongata Foramen lacerum

Question 39

What is the function of cranial nerve 10 (n.Vagus)

Answer 39

Swallowing

Question 40

What is the function of cranial nerve 10 (n.Vagus)

Answer 40

Swallowing

Question 41

What part of the encephalon (brain) is cranial nerve 10 (n.vagus) come from Where does it go through

Answer 41

Medulla oblongata Foramen lacerum

Question 42

What is the function of cranial nerve 11 (n. accessorius)

Answer 42

Motor for the neck Moves muscles... m. brachiocephalicus m. omotransversarius m.trapezius pars cervicalis

Question 43

What part of the encephalon (brain) is cranial nerve 11 (n.accessorius) come from Where does it go through

Answer 43

Medulla oblongata Foramen lacerum

Question 44

What is the function of cranial nerve 12 (n. hypoglossus)

Answer 44

Movement of tongue

Question 45

What part of the encephalon (brain) is cranial nerve 12 (n. hypoglossus) come from Where does it go through

Answer 45

Medulla oblongata Canalis nervi hypoglossus

Question 46

What nerves contain parasympathetic fibers (Name and Number)

Answer 46

-3. n. oculomotorius -7. n. facialis -9. n.glossopharyngeus -10. n.vagus