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MD 4001 (CNS + Endocrine) > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

What is the name of CN I?

A

Olfactory Nerve

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2
Q

What is the name of CN II?

A

Optic Nerve

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3
Q

What is the name of CN III?

A

Oculomotor

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4
Q

What is the name of CN IV?

A

Trochlear

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5
Q

What is the name of CN V?

A

Trigeminal (Ophthalmic, Maxillary & Mandibular)

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6
Q

What is the name of CN VI?

A

Abducens

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7
Q

What is the name of CN VII?

A

Facial

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8
Q

What is the name of CN VIII?

A

Vestibulocochlear

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9
Q

What is the name of CN IX?

A

Glossopharyngeal

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10
Q

What is the name of CN X?

A

Vagus

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11
Q

What is the name of CN XI?

A

Accessory

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12
Q

What is the name of CN XII?

A

Hypoglossal

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13
Q

What is the origin of CN I?

A

Cerebrum

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14
Q

What is the origin of CN II?

A

Cerebrum

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15
Q

What is the origin of CN III?

A

Midbrain-Pontine junction

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16
Q

What is the origin of CN IV?

A

Posterior side of Midbrain

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17
Q

What is the origin of CN V?

A

Pons

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18
Q

What is the origin of CN VI?

A

Pontine-Medulla junction

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19
Q

What is the origin of CN VII?

A

Pontine-Medulla junction

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20
Q

What is the origin of CN VIII?

A

Pontine-Medulla junction

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21
Q

What is the origin of CN IX?

A

Medulla Oblongata, posterior to the Olive

22
Q

What is the origin of CN X?

A

Medulla Oblongata, posterior to the Olive

23
Q

What is the origin of CN XI?

A

Medulla Oblongata, posterior to the Olive

24
Q

What is the origin of CN XII?

A

Medulla Oblongata, anterior to the Olive

25
Q

Where does the first cranial nerve exit the skull?

A

Cribiform Plate

26
Q

Where does the second cranial nerve exit the skull?

A

Optic Canal

27
Q

Where does the third cranial nerve exit the skull?

A

Superior Orbital Fissure

28
Q

Where does the fourth cranial nerve exit the skull?

A

Superior Obrital Fissure

29
Q

Where does the Ophthalmic nerve exit the skull?

A

Superior Obrital Fissure

30
Q

Where does the Maxillary nerve exit the skull?

A

Foramen Rotundum

31
Q

Where does the Mandibular nerve exit the skull?

A

Foramen Ovale

32
Q

Where does the sixth cranial nerve exit the skull?

A

Superior Orbital Fissure

33
Q

Where does the seventh cranial nerve exit the skull?

A

Internal Acoustic Meatus -> Stylomastoid Foramen

34
Q

Where does the eighth cranial nerve exit the skull?

A

Internal Acoustic Meatus

35
Q

Where does the ninth cranial nerve exit the skull?

A

Jugular Foramen

36
Q

Where does the tenth cranial nerve exit the skull?

A

Jugular Foramen

37
Q

Where does the eleventh cranial nerve exit the skull?

A

Jugular Foramen

38
Q

Where does the twelth cranial nerve exit the skull?

A

Hypoglossal Canal

39
Q

What is the function of CN I?

A

Smell

40
Q

What is the function of CN II?

A

Vision

41
Q

What is the function of CN III?

A

Control of 4 Extrinsic Eye muscles and Levator Palpebrae Superioris, as well as control of the Pupillary Sphincter.

42
Q

What is the function of CN IV?

A

Control of the Superior Oblique muscle

43
Q

What is the function of the Opthalmic nerve?

A

Sensation in the Scalp, Forehead and Nose

44
Q

What is the function of CN VI?

A

Control of the lateral rectus muscle

45
Q

What is the function of CN VII?

A

Sensation to part of the exterior ear, hard and soft palate & taste from anterior 2/3rds of the tongue.

Control of the muscles of facial expression, as well as the lacrimal, submandibular, and sublingual glands, as well as the mucous glands of the mouth and nose.

46
Q

What is the function of CN VIII?

A

Hearing & Balance.

47
Q

What is the function of CN IX?

A

Sensation from the posterior 1/3rd of the tongue (& taste too), external ear and middle ear cavity, as well as the carotid body & sinus.

Control of the Parotid gland and the Stylopharyngeus muscle.

48
Q

What is the function of CN X?

A

Sensation from, external ear, larynx & pharynx, as well as the larynx, pharynx & abdominal viscera, taste from the epiglottis region of the tongue.

Control of the smooth muscles of the pharynx, larynx & most of the GI tract.

49
Q

What is the function of CN XI?

A

Control of the trapezius and sternocleidomastoid, a few fibers run with CN X to the (Abdominal) viscera.

50
Q

What is the function of CN XII?

A

Control of both the extrinsic and intrinsic tongue muscles (Except the palatoglossus).

MD 4001 (CNS + Endocrine) (1 decks)

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