The Cranial Nerves Flashcards

(40 cards)

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?

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?

24
Q

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

A

Entry: Medulla
Exit: Jugular Foramen

25
What is the eleventh cranial nerve?
Accessory
26
What is the entry and exit point of the Accessory Nerve (11)?
Entry: Medulla Exit: Jugular Foramen
27
What is the twelfth cranial nerve?
Hypoglossal
28
What is the entry and exit point of the Hypoglossal Nerve (12)?
Entry: Medulla Exit: Hypoglossal Canal
29
What is the function of the olfactory nerve?
Smell SENSORY
30
What is the function of the optic nerve?
Vision SENSORY
31
What is the function of the oculomotor nerve?
Eye movement Pupillary constriction Accommodation (refractive errors) Eyelid opening MOTOR
32
What is the function of the trochlea nerve?
Eye movement (superior oblique muscle) MOTOR
33
What is the function of the trigeminal nerve (A, B & C)?
Facial sensation Mastication (chewing) BOTH
34
What is the function of the abducens nerve?
Eye movement (lateral rectus muscle- side to side) MOTOR
35
What is the function of the facial nerve?
Facial movements Taste from anterior ⅔ of tongue (chorda tympani) Lacrimation (flow of tears) Salivation Eyelid closing Auditory reflex BOTH
36
What is the function of the vesibulocochlear nerve?
Hearing Balance SENSORY
37
What is the function of the glossopharyngeal nerve?
Taste and sensation of posterior ⅓ of tongue Elevation of pharynx/larynx (throat control & swallowing) BOTH
38
What is the function of the vagus nerve?
Taste Swallowing Soft palate elevation Speech Cough reflex Regulates heart rate and gastrointestinal tract BOTH
39
What is the function of the accessory nerve?
Head turning Shoulder shrugging MOTOR
40
What is the function of the hypoglossal nerve?
Tongue movements MOTOR