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Head and Neck > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Name all the Cranial Nerves

A 
Olfactory - CN I
Optic - CN II
Occulomotor - CN III
Trochlear - CN IV
Trigeminal - CN V
Abducens - CN VI
Facial - CN VII
Vestibulocochlear - CN VIII
Glossopharyngeal - CN IX
Vagus - CN X
Accessory - CN XI
Hypoglossal - CN XII
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2
Q

Which cranial nerves are solely SENSORY

A

Olfactory - CN I

Optic - CN II

Vestibulocochlear - CN VIII

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3
Q

Which cranial nerves are solely MOTOR

A 
Occulomotor - CN III
Trochlear - CN IV
Abducens - CN VI
Accessory - CN XI
Hypoglossal - CN XII
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4
Q

Which Cranial Nerves are both Sensory and Motor

A

Trigeminal - CN V
Facial - CN VII
Glossopharyngeal- CN IV
Vagus - X

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5
Q

Which Cranial nerves are also parasympatheitc

A

Oculomotor - CN III
Facial - CN VII
Glossopharyngeal- CN IV
Vagus - CN X

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6
Q

Branches of the Facial nerve, superiorly to inferiorly

A

Temporal

Zygomatic

Buccal

Mandibular

Cervical

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7
Q

What does the Olfactory nerve innervate

A

Sensory - Olfactory epithelium

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8
Q

What does the Optic nerve innervate

A

Sensory - Retina

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9
Q

What does the Oculomotor nerve innervate

A

Motor - Superior/middle/inferior rectus
Inferior oblique
Levator palpebrae

Parasympathetic - Pupillary constrictor
Cillary muscle of eyeball

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10
Q

What does the Trochlear nerve innervate

A

Motor - Superior Oblique

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11
Q

What does the Trigeminal nerve innervate

A 
Sensory- Face
                scalp
                cornea
                nasal and oral cavities
                cranial dura matter

Motor - Muscles of masticatoin
Tensor Tympani muscle

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12
Q

What does the Abducens nerve innervate

A

Motor - Lateral rectus

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13
Q

What does the Facial nerve innervate

A

Sensory - Anterior 2/3 of tongue

Motor - Muscles of facial expression
Stapedius muscle

Parasympathetic - Salivary and Lacrimal glands

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14
Q

What does the Vestibulocochlear nerve innervate

A

Sensory - Cochlea

Vestibular apparatus

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15
Q

What does the Glossopharyngeal nerve innervate

A

Sensory - Eustachian tube, middle ear
Carotid body and sinus
Pharynx
Posterior 1/3 of tongue

Motor - Stylopharyngeous Muscle

Parasympathetic - Salivary Glands

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16
Q

What does the Vagus nerve innervate

A

Sensory - Pharynx
Larynx
Oesophagus
External ear
Carotid bodies and arch
Thoracic and abdominal viscera

Motor - Soft palate
Larynx
Pharynx
Upper Oesophagus

Parasympathetic - Cardiovascular, Respiratory and GI systems

17
Q

Accessory

A

Motor - Sternomastoid and Trapezius muscles

18
Q

Hypoglossal

A

Motor - Intrinsic and Extrinsic muscles of the tongue

19
Q

Function of theOlfactory Nerve

A

Sensory - Olfactory

20
Q

Function of the Optic Nerve

A

Sensory - Vision

21
Q

Function of the Oculomotor Nerve

A

Motor - Movement of eyeball

Parasympathetic - Pupillarly constriction and accommodation

22
Q

Function of the Trochlear Nerve

A

Motor - Movement of eyeball

23
Q

Function of the Trigeminal Nerve

A

Sensory - General sensation

Motor - Opening/Closing mouth
Tension of tympanic membrane

24
Q

Function of the Abducens Nerve

A

Motor - Movement of eyeball

25
Q

Function of the Facial Nerve

A

Sensory - Taste

Motor - Facial movement
Tension of ossicles

Parasympathetic - Salivation and lacrimation

26
Q

Function of the Vestibulocochlear Nerve

A

Sensory - Hearing
Balance
(MAYBE proprioception of head)

27
Q

Function of the Glossopharyngeal Nerve

A

Sensory - General Sensation
Chemoreception (Changes in the blood’s chemical concentration)
Baroreception (presure changes in blood)
Taste

Motor - Swallowing

Parasympathetic - Salivation

28
Q

Function of the Vagus Nerve

A

Sensory - General Sensation
Chemo/baroreception
Thoracic and abdominal visceral sensation

Motor - Speech and swallowing

Parasympathetic - Control of GI, Cardio and Resp systems

29
Q

Function of the Accessory Nerve

A

Motor - Movement of head and shoulders

30
Q

Function of the Hypoglossal Nerve

A

Motor - Movement of tongue

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