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Semester 2 Biological Sciences 2 > 12 Cranial Nerves and their Divisions > Flashcards

12 Cranial Nerves and their Divisions Flashcards

1
Q

What is cranial nerve I

A

Olfactory

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2
Q

What is cranial nerve II

A

Optic

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3
Q

What is cranial nerve III

A

Oculomotor

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4
Q

What is cranial nerve IV

A

Trochlear

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5
Q

What is cranial nerve V

A

Trigeminal

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6
Q

What is cranial nerve VI

A

Abducens

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7
Q

What is cranial nerve VII

A

Facial

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8
Q

What is cranial nerve VIII

A

Vestibulocochlear

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9
Q

What is cranial nerve IX

A

Glossopharyngeal

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10
Q

What is cranial nerve X

A

Vagus

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11
Q

What is cranial nerve XI

A

Accessory

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12
Q

What is cranial nerve XII

A

Hypoglossal

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13
Q

What division is cranial nerve I

A

sensory

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14
Q

What division is cranial nerve II

A

sensory

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15
Q

What division is cranial nerve III

A

motor

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16
Q

What division is cranial nerve IV

A

motor

17
Q

What division is cranial nerve V

A

sensory and motor

18
Q

What division is cranial nerve VI

A

motor

19
Q

What division is cranial nerve VII

A

sensory and motor

20
Q

What division is cranial nerve VIII

A

sensory

21
Q

What division is cranial nerve IX

A

sensory and motor

22
Q

What division is cranial nerve X

A

sensory and motor

23
Q

What division is cranial nerve XI

A

motor

24
Q

What division is cranial nerve XII

A

motor

25
Q

What is the afferent function of cranial nerve I

A

odor from the nose

26
Q

What is the afferent function of cranial nerve II

A

vision from the retina

27
Q

What is the afferent function of cranial nerve VIII

A

hearing and balance from inner ear

28
Q

What is the efferent function of cranial nerve III

A

moves most of the eye’s muscles

29
Q

What is the efferent function of cranial nerve IV

A

moves one extraocular nerves (SO)

30
Q

What is the efferent function of cranial nerve VI

A

moves one extraocular nerve (LR)

31
Q

What is the efferent function of cranial nerve XI

A

neck muscles

32
Q

What is the efferent function of cranial nerve XII

A

all tongue muscles, both intrinsic and extrinsic except palatoglossus

33
Q

What are the afferent and efferent functions of cranial nerve V

A

afferent: general sensation from skin of face, oral mucosa, anterior 2/3 of tongue, and teeth

efferent: muscles of mastication

34
Q

What is the afferent function of V1 (Ophthalmic)

A

forehead area

35
Q

What is the afferent function of V2 (Maxillary)

A

upper jaw area

36
Q

What are the afferent and efferent functions of V3

A

afferent: lower jaw area including general sensation for the anterior 2/3 of tongue

efferent: muscles of mastication

37
Q

What are the afferent and efferent functions of cranial nerve VII

A

efferent: muscles of facial expressions, lacrimal gland, submandibular and sublingual salivary glands

afferent: taste from body (anterior 2/3) of tongue

38
Q

What are the afferent and efferent functions of cranial nerve IX

A

efferent: a pharyngeal muscle, parotid salivary gland

afferent: taste and general sensation from base (posterior 1/3) of tongue

39
Q

What are the afferent and efferent functions of cranial nerve X

A

efferent: muscles of soft palate and pharynx

afferent: (small component) taste for epiglottis

Semester 2 Biological Sciences 2 (16 decks)

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