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NMSK 2 > CRANIAL NERVES > Flashcards

CRANIAL NERVES Flashcards

1
Q

How many cranial nerves are there

A

12

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2
Q

What is the name of Cranial nerve 1

A

Olfactory nerve

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3
Q

Name cranial nerve 2

A

Optic nerve

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4
Q

Name cranial nerve 3

A

Oculomotor nerve

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5
Q

Name cranial nerve 4

A

Trochlear nerve

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6
Q

Name cranial nerve 5

A

Trigeminal
V1 = ophthalmic
V2= Maxillary
V3= Mandibular

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7
Q

Name cranial nerve 6

A

Abducent nerve

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8
Q

Name cranial nerve 7

A

Facial nerve

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9
Q

Name cranial nerve 8

A

Vestibulocochlear nerve

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10
Q

Name cranial nerve 9

A

Glossopharyngeal nerve

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11
Q

Name cranial nerve 10

A

Vagus nerve

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12
Q

Name cranial nerve 11

A

Accessory nerve

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13
Q

Name cranial nerve 12

A

Hypoglossal nerve

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14
Q

Where does the olfactory nerve exit the skull

A

Cribriform plate

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15
Q

Where does the optic nerve exit the skull

A

Optic canal

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16
Q

Where does the oculomotor nerve exit the skull

A

Orbital tissue

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17
Q

Where does the trochlear nerve exit the skull

A

Orbital fissure

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18
Q

Where does the trigeminal nerve exit the skull

A 
V1 = orbital fissure 
V2= round foramen 
V3 = Oval foramen
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19
Q

Where does the abducent nerve exit the skull

A

Orbital fissure

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20
Q

Where does the facial nerve exit the skull

A

Stylomastoid foramen / internal acoustic meatus

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21
Q

Where does the vestibulocochlear nerve exit the skull

A

Internal acoustic meatus

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22
Q

Where does the Glossopharyngeal nerve exit the skull

A

Jugular foramen

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23
Q

Where does the vagus nerve exit the skull

A

Jugular foramen

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24
Q

Where does the accessory nerve exit the skull

A

Jugular foramen

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25
Q

Where does the hypoglossal nerve exit the skull

A

Hypoglossal canal

26
Q

Origin of olfactory nerve

A

Cerebrum- olfactory bulb

27
Q

Origin of optic nerve

A

Diencephalon

28
Q

Origin of oculomotor nerve

A

Ventral midbrain

29
Q

Origin of trochlear nerve

A

Dorsal midbrain

30
Q

Origin of trigeminal nerve

A

Junction of the pons and medulla oblongata

31
Q

Origin of abducent nerve

A

Medulla oblangata

32
Q

Origin of facial nerve

A

Medulla oblongata

33
Q

Origin of vestibularcochlear nerve

A

Medulla oblongata

34
Q

Origin of glossopharyngeal nerve

A

Medulla oblongata

35
Q

Origin of vagus nerve

A

Medulla oblongata

36
Q

Origin of accessory nerve

A

Medulla oblongata

37
Q

Origin of hypoglossal nerve

A

Medulla oblongata

38
Q

What fibre types does the olfactory contain

A

Sensory - SVA

39
Q

What fibre types does the optic nerve contain

A

Sensory - SSA

40
Q

What fibre types does the oculomotor nerve contain

A

Motor- GSE and GVE

41
Q

What fibre type does the trochlear nerve contain

A

Motor- GSE

42
Q

What fibre types does the trigeminal nerve contain

A

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

43
Q

What fibre types does the abducent nerve contain

A

Motor - GSE

44
Q

What fibre types does the facial nerve contain

A

Both- SVA GVE GSE GSA

45
Q

What fibre types does the vestibulocochlear nerve contain

A

Sensory- SSA

46
Q

What fibre types does the glossopharyngeal nerve contain

A

Both - GSE GVA GVE GSA and SVA

47
Q

What fibre types does the vagus nerve contain

A

Both- GSE GVA GVE GSA and SVA

48
Q

What fibre types does the accessory nerve contain

A

Motor - GSE

49
Q

What fibre types does the hypoglossal nerve contain

A

Motor- GSE

50
Q

What is the function of the olfactory nerve

A

Transmits the sense of smell

51
Q

What is the function of the optic nerve

A

Transmits visual information

52
Q

What is the function of the oculomotor nerve

A
  • Supplies the external muscles of the eyeball for eye movement
  • controls focusing the lens
  • controls pupil constriction
53
Q

What is the function of the trochlear nerve

A

Supplies the dorsal oblique muscle ( eye movements)

54
Q

What is the function of the trigeminal nerve

A

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

55
Q

What is the function of the abducent nerve

A

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

56
Q

What is the function of the facial nerve

A
  • detects taste
  • allows facial expression
  • motor to salivary lacrimal glands
57
Q

What is the function of the vestibulocochlear nerve

A
  • senses balance

- senses sound

58
Q

Function of the glossopharyngeal nerve

A
  • controls muscles for swallowing

- detects tongue sensations

59
Q

What is the function of the vagus nerve

A
  • detects thoracic and abdominal organ sensations

- controls thoracic and abdominal movements

60
Q

What is the function of the accessory nerve

A

Controls the trapezius and 3 neck muscles

61
Q

What is the function of the hypoglossal nerve

A

Controls the intrinsic and extrinsic tongue movements

NMSK 2 (22 decks)

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