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neuroscience applicationa > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CN1

A

Olfactory

It does smell

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2
Q

CNII

A

vision

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3
Q

CNIII

A

Oculomotor.

Raises eyelid, turns eye, pupillary restriction, accomodation

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4
Q

CNIV

A

Trochlear

Moves eye down and lateral

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5
Q

CNV

A

Trigeminal
Sensations from eyes, skin around eyes, mouth and jaw;
Muscles involved in mastication

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6
Q

CNVI

A

Abducens

Moves eye outward

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7
Q

CNVII

A

Facial
Facial expression, salivation, and oral/nasal gland secretion.
sensation around ear and taste

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8
Q

CNVIII

A

Vestibulocochlear

Sensory reception for sound and movement

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9
Q

CNIX

A

Glossopharyngeal

Taste; elevation of pharynx for speech and swallowing; baroreceptors

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10
Q

CNX

A

Vagus

Motor speech, visceral reflexes(vomit), taste, respiration, cardiac functions bronchoconstriction; visceral function

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11
Q

CNXI

A

Accessory

Contralateral turning and lifting of head

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12
Q

CNXII

A

hypoglossal

shape and position of tongue

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13
Q

What are the functions of CN VII

A

Facial
MOTOR: Facial expression, reflexive eye closing on touch and contraction of ossicles for protection
VISCERAL MOTOR: induces salivation, secretion from lacrimal and mucous glands of nose and mouth

SENSORY: taste from anterior 2/3 of tongue and info from back of ear and external auditory meatus

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14
Q

What are the functions of CN IX?

A

Glossopharyngeal

SOMATIC MOTOR: elevation of upper pharynx during speech and swallowing

VISCERAL SENSORY: Responds to changes in blood pressure, via stretch from carotid sinus baroreflex

SOMATIC SENSORY: posterior 1/3 of tongue

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15
Q

What are the functions of CN X

A

Vagus

VISCERAL MOTOR: speech production
VISCERAL SENSORY: Reflexes like peristalsis, vomit, gastric and bronchial secretions, regulates heart rate

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16
Q

What are the functions of CN XI?

A

Accessory

Contralateral turning and lifting of head

17
Q

What are the functions of XII?

A

Hypoglossal

Control shape and position of tongue

18
Q

What three areas get sensory input from CN V

A

Trigeminal

Opthalmic–cornea, forehead, scalp, eyelids, nose, muscous membranes of sinuses and nasal cavity

Maxillary–skin of face over upper jaw, teeth of upper jaw, muscous membraine of nose, maxillary sinus and palate

Mandibular– skin of cheek, skin over lower jaw, tmj, muscous membrane of mouth and anterior tongue

19
Q

What motor output does CN V have?

A

Muscles involved in mastication

neuroscience applicationa (14 decks)

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