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Cranial Nerves > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CNI

A

Olfactory nerve - sensory, smell

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2
Q

CNII

A

Optic nerve - sensory, sight

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3
Q

CNIII

A

Oculomotor nerve - motor, eye muscles to open eye

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4
Q

CNIV

A

Trochlear nerve- motor, eye muscles

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5
Q

CNV

A

Trigeminal nerve-
sensory- skin of face, nasal cavity, oral cavity, anterior 2/3 of tongue
Motor- muscles of mastication (chewing)

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6
Q

CNVI

A

Abducens nerve - motor, eye muscles (abducts eyes)

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7
Q

CNVII

A

Facial nerve -
Sensory- taste (anterior 2/3 tongue)
Motor- facial muscles, lacrimal glands (tear ducts)

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8
Q

CNVIII

A

Vestibulocochlear nerve- sensory - hearing and balance in ear (vestibular system)

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9
Q

CNIX

A

Glossopharyngeal nerve -
Sensory- pharynx, taste post 1/3 tongue
Motor- throat muscles

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10
Q

CNX

A

Vagus nerve
Sensory- visceral of respiratory tract, taste of epiglottis
Motor- muscles of palate, heart, and other viscera

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11
Q

CNXI

A

Accessory nerve - motor to Sternocleidomastoid and trapezius

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12
Q

CNXII

A

Hypoglossal nerve - motor to intrinsic muscles of tongue and throat

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13
Q

Lesion on CNI

A

Loss of smell

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14
Q

Lesion on CNII

A

Dilated pupil, vision problems

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15
Q

Lesion on CNIII

A

Dilated pupil, eye turns down and out

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16
Q

Lesion on CNIV

A

Unable to look down when eye is abducted

17
Q

Lesion on CNV

A

Loss of muscles of mastication on the side of the lesion

18
Q

Lesion on CNVI

A

Unable to move eye laterally

19
Q

Lesion on CNVII

A

Unable to wrinkle forehead, loss of taste on anterior 2/3 of tongue

20
Q

Lesion on CNVIII

A

Unilateral hearing loss

21
Q

Lesion on CNIX

A

Loss of taste on posterior 1/3 of tongue

22
Q

Lesion on CNX

A

Deviation of uvula away from affected side

23
Q

lesion on CNXI

A

Paralysis of Sternocleidomastoid and trapezius

24
Q

Lesion on CNXII

A

Tongue deviates toward affected side

Cranial Nerves (1 decks)

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