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Anatomy II > Cranial nerves > Flashcards

Cranial nerves Flashcards

1
Q

Where does the olfactory nerve exit from skull?

A

Cribriform plate of ethmoid bone

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2
Q

What is the function of the olfactory nerve?

A

S: Smell

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3
Q

Where does the optic nerve exit from skull?

A

Optic foramen of sphenoid bone

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4
Q

What is the function of the optic nerve?

A

S: Vision

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5
Q

Where does the occulomotor nerve exit from skull?

A

supraorbital fissure of sphenoid bone

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6
Q

What is the function of the occulomotor nerve?

A

S/M: eye muscles

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7
Q

Where does the trochlear nerve exit from skull?

A

supraorbital fissure of sphenoid bone

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8
Q

What is the function of the trochlear nerve?

A

S/M: superior oblique muscle

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9
Q

Where does the ophtalmic nerve (V1) exit from skull?

A

supraorbital fissure of sphenoid bone

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10
Q

Where does the maxillary nerve (V2) exit from skull?

A

foramen rotundum of sphenoid bone

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11
Q

Where does the mandibular nerve (V3) exit from skull?

A

foramen ovale of sphenoid bone

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12
Q

What is the function of the trigeminal nerves?

A

S: facial, mouth, teeth, nasal cavity
M: mastication muscles

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13
Q

Where does the abducens nerve exit from skull?

A

supraorbital fissure of sphenoid bone

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14
Q

What is the function of the abducens nerve?

A

S/M: lateral rectus muscle

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15
Q

Where does the facial nerve exit from skull?

A

enters in internal acoustic meatus and exits stylomastoid foramen of temporal bone

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16
Q

What is the function of the facial nerve?

A

S: tongue (taste)
M: facial expression muscle, salivary glands

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17
Q

Where does the vestibulocochlear nerve exit from skull? What are the bones involved?

A

It does not exit from skull (internal acoustic meatus).

Temporal bone and petrous part

18
Q

What is the function of the vestibulocochlear nerve?

A

S: hearing and balance

19
Q

Where does the glossopharyngeal nerve exit from skull?

A

jugular foramen of petrous, temporal and occipital bones

20
Q

What is the function of the glossopharyngeal nerve?

A

S: tongue (taste), pharynx
M: stylopharyngeal muscle

21
Q

Where does the vagus nerve exit from skull?

A

jugular foramen of petrous, temporal and occipital bones

22
Q

What is the function of the vagus nerve?

A

S: thoracic and abdominal viscera
M: pharynx, larynx

23
Q

Where does the accessory nerve exit from skull?

A

jugular foramen of petrous, temporal and occipital bones

24
Q

What is the function of the accessory nerve?

A

M: trapezius and sternocleidomastoid muscles

25
Q

Where does the hypoglossal nerve exit from skull?

A

hypoglossal canal of occipital bone

26
Q

What is the function of the hypoglossal canal?

A

M: tongue muscles

27
Q

What nerve has the ethmoid bone involved?

A

olfactory nerve

28
Q

What nerves have the sphenoid bone involved?

A

optic, occulomotor, trochlear, trigeminal, abducens nerves

29
Q

What nerves exit from the jugular foramen?

A

glossopharyngeal, vagus and accessory nerves

30
Q

What nerve has smell as a sensory function?

A

olfactory nerve

31
Q

What nerve has vision as a sensory function?

A

optic nerve

32
Q

What nerve has eye muscles as sensory and motor functions?

A

occulomotor nerve

33
Q

What nerve has superior oblique muscle as sensory and motor functions?

A

trochlear nerve

34
Q

What nerve has face, teeth, mouth, nasal cavity as sensory function and mastication muscles as motor function?

A

trigeminal nerve

35
Q

What nerve has lateral rectus muscle as sensory and motor function?

A

abducens nerve

36
Q

What nerve has tongue as sensory function and facial expression muscles, salivary glands as motor function?

A

facial nerve

37
Q

What nerve has hearing and balance as sensory function?

A

vestibulocochlear nerve

38
Q

What nerve has tongue and pharynx as sensory function and stylopharyngeal muscle as motor function?

A

glossopharyngeal nerve

39
Q

What nerve has thoracic and abdominal viscera as sensory function and larynx & pharynx as motor nerve?

A

vagus nerve

40
Q

What nerve has trapezius and sternocleidomastoid muscles as motor function?

A

accessory nerve

41
Q

What nerve has tongue muscles as motor function?

A

hypoglossal nerve

42
Q

Name all 12 cranial nerves and number.

A

olfactory (I), optic (II), occulomotor (III), trochlear (IV), trigeminal (opthalmic-V1, maxillary-V2, mandibular-V3), abducens (VI), facial (VII), vestibulocochlear (VIII), glossopharyngeal (IX), vagus (X), accessory (XI), hypoglossal (XII)

Anatomy II (12 decks)

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