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Neuroanatomy Spotter Exam Revision > The Cranial Nerves > Flashcards

The Cranial Nerves Flashcards

1
Q

What is the first cranial nerve?

A

Olfactory Nerve

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2
Q

What is the entry and exit point for the Olfactory Nerve (1)?

A

Entry: Thalamus
Exit: Cribiform Plate/ethmoidal foramen

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3
Q

What is the second cranial nerve?

A

Optic Nerve

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4
Q

What is the entry and exit point for the Optic Nerve (2)?

A

Entry: Uncus
Exit: Optic Canal

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5
Q

What is the third cranial nerve?

A

Oculomotor

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6
Q

What is the entry and exit point for the Oculomotor Nerve (3)?

A

Entry: Midbrain
Exit: Superior Orbital Fissure

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7
Q

What is the fourth cranial nerve?

A

Trochlea

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8
Q

What is the entry and exit point for the Trochlea Nerve (4)?

A

Entry: Midbrain
Exit: Superior Orbital Fissure

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9
Q

What is the first branch of the fifth cranial nerve?

A

Trigminal (A) - Opthalamic

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10
Q

What is the entry and exit point for the first branch of the Trigeminal Nerve (A- Opthalamic)?

A

Entry: Pons
Exit: Superior Orbital Fissure

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11
Q

What is the second branch of the Trigeminal Nerve?

A

Trigeminal (B) - Maxillary

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12
Q

What is the entry and exit point for the second branch of the Trigeminal Nerve (B- Maxillary)

A

Entry: Pons
Exit: Foramen Rotundum

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13
Q

What is the third branch of the Trigeminal Nerve?

A

Trigeminal (C) - Mandibular

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14
Q

What is the entry and exit point of the third Trigeminal Nerve (C- Mandibular)

A

Entry: Pons
Exit: Foramen Ovale

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15
Q

What is the sixth cranial nerve ?

A

Abducens

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16
Q

What is the entry and exit point for the Abducens Nerve (6)?

A

Entry: Pons
Exit: Superior Orbital Fissure

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17
Q

What is the seventh cranial nerve?

A

Facial

18
Q

What is the entry and exit point for the Facial Nerve (7)?

A

Entry: Pons
Exit: Internal Acoustic Meatus

19
Q

What is the eigth cranial nerve?

A

Vestibulocochlear

20
Q

What is the entry and exit point for the Vestibulocochlear Nerve (8)?

A

Entry: Pons
Exit: Internal Acoustic Meatus

21
Q

What is the ninth cranial nerve?

A

Glossopharyngeal

22
Q

What is the entry and exit point of the Glossopharyngeal Nerve (9)?

A

Entry: Medulla
Exit: Jugular Foramen

23
Q

What is the tenth cranial nerve?

A

Vagus

24
Q

What is the entry and exit point of the Vagus Nerve (10)?

A

Entry: Medulla
Exit: Jugular Foramen

25
Q

What is the eleventh cranial nerve?

A

Accessory

26
Q

What is the entry and exit point of the Accessory Nerve (11)?

A

Entry: Medulla
Exit: Jugular Foramen

27
Q

What is the twelfth cranial nerve?

A

Hypoglossal

28
Q

What is the entry and exit point of the Hypoglossal Nerve (12)?

A

Entry: Medulla
Exit: Hypoglossal Canal

29
Q

What is the function of the olfactory nerve?

A

Smell

SENSORY

30
Q

What is the function of the optic nerve?

A

Vision

SENSORY

31
Q

What is the function of the oculomotor nerve?

A

Eye movement
Pupillary constriction
Accommodation (refractive errors)
Eyelid opening

MOTOR

32
Q

What is the function of the trochlea nerve?

A

Eye movement (superior oblique muscle)

MOTOR

33
Q

What is the function of the trigeminal nerve (A, B & C)?

A

Facial sensation
Mastication (chewing)

BOTH

34
Q

What is the function of the abducens nerve?

A

Eye movement (lateral rectus muscle- side to side)

MOTOR

35
Q

What is the function of the facial nerve?

A

Facial movements
Taste from anterior ⅔ of tongue (chorda tympani)
Lacrimation (flow of tears)
Salivation
Eyelid closing
Auditory reflex

BOTH

36
Q

What is the function of the vesibulocochlear nerve?

A

Hearing
Balance

SENSORY

37
Q

What is the function of the glossopharyngeal nerve?

A

Taste and sensation of posterior ⅓ of tongue
Elevation of pharynx/larynx (throat control & swallowing)

BOTH

38
Q

What is the function of the vagus nerve?

A

Taste
Swallowing
Soft palate elevation
Speech
Cough reflex
Regulates heart rate and gastrointestinal tract

BOTH

39
Q

What is the function of the accessory nerve?

A

Head turning
Shoulder shrugging

MOTOR

40
Q

What is the function of the hypoglossal nerve?

A

Tongue movements

MOTOR

Neuroanatomy Spotter Exam Revision (22 decks)

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