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Head and Neck > 04.1 The Cranial Nerves > Flashcards

04.1 The Cranial Nerves Flashcards

1
Q

What is CNI?

A

Olfactory

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2
Q

What is CNII?

A

Optic

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3
Q

What is CNIII?

A

Oculomotor

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4
Q

What us CNIV?

A

Trochlear

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5
Q

What is CNV?

A

Trigeminal

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6
Q

What is CNVI?

A

Abducens

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7
Q

What is CNVII?

A

Facial

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8
Q

What is CNVIII?

A

Vestibulocochlear (Acoustic)

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9
Q

What is CNIX?

A

Glossopharyngeal

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10
Q

What is CNX?

A

Vagus

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11
Q

What is CNXI?

A

Spinal Accessory

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12
Q

What is CNXII?

A

Hypoglossal

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13
Q

What is the olfactory nerve responsible for?

A

Sense of smell

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14
Q

Where do the olfactory receptor neurons travel through to form the olfactory bulb?

A

Cribriform plate

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15
Q

What can cause anosmia?

A

Trauma
Meningitis
URTI

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16
Q

What is the optic nerve responsible for?

A

Sight

17
Q

What is the course of neurons from the retina?

A

Via the optic tract to the optic canal to the occipital lobe

18
Q

The optic and olfactory nerves aren’t true nerves, what are they described as?

A

Brain tracts

19
Q

What is the oculomotor nerve responsible for?

A

Move the eyeball, eyelid and constricts the pupils

20
Q

What is the trochlear nerve responsible for?

A

The eye looking downwards and inwards

21
Q

What is the trigeminal nerve responsible for?

A

Facial sensation

Muscles of mastication

22
Q

What is CNV1 and what does it travel through?

A

Opthalmic nerve

Superior orbital fissure

23
Q

What is CNV2 and what does it travel through?

A

Maxillary nerve

Foramen rotundum

24
Q

What is CNV3 and what does it travel through?

A

Foramen ovale

25
Q

What nerves do you block when working on the teeth?

A

Superior/inferior alveolar nerves

26
Q

What is the abducens nerve responsible for?

A

Lateral eye movement

27
Q

What is the facial nerve responsible for?

A

Taste
Facial movements
Salivation + Lacrimation

28
Q

What are the motor branches of the facial nerve called?

A 
Temporal
Zygomatic
Buccal
Mandibular
Cervical
29
Q

What is the vestibulocochlear nerve responsible for?

A

Hearing

Balance

30
Q

What does the vestibulocochlear nerve travel through?

A

Internal acoustic meatus

31
Q

What is the glossopharyngeal nerve repsonsible for?

A

Sensation of the oropharynx, posterior 1/3 of tongue, carotid sinus and body
Motor function of the stylopharyngus muscle
Parasympathetic innervation of the parotid gland

32
Q

What is the vagus nerve responsible for?

A

Sensation of the laryngopharynx and ear
Motor function of the larynx and pharynx muscles
Parasympathetic innervation of heart, lungs and GI

33
Q

What is the spinal accessory nerve responsible for?

A

Sternocleidomastoid

Trapezius

34
Q

What is the hypoglossal nerve responsible for?

A

Extrinsic and intrinsic tongue movements

35
Q

Which nerves come from the midbrain?

A

CNIII, CNIV

36
Q

Which nerves come from the pons?

A

CNV-CNVIII

37
Q

Which nerves come from the medulla oblongata?

A

CNIX-CNXII

Head and Neck (18 decks)

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