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Gross Anatomy Block 4 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CN I

A

Olfactory - S

Smell - olfactory epithelium of nasal cavity

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2
Q

CN II

A

Optic - S

Sight - retina (rods and cones)

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3
Q

CN III

A

Oculomotor - M

Eye movement - all eye muscles - sphincter pupillae and ciliary muscles

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4
Q

CN IV

A

Trochlear - M
Eyes downward/outward
Superior Oblique muscles

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5
Q

CN V

A 
Trigeminal - B
Skin and mucosae of face and head
Muscles of mastication
Tenors tympani
Veil palatine
Mylohyoid
Anterior Digastric muscle
Facial senses
Proprioception
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6
Q

CN VI

A

Abducens - M

Abduction of the eye - lateral rectus

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7
Q

CN VII

A 
Facial - B
Facial expression muscles
Some glands
Anterior 2/3 taste buds
Sense of middle/external ear
Gustation
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8
Q

CN VIII

A

Vestibulocochlear - S
Hair cells in ear
Hearing and balance

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9
Q

CN IX

A 
Glossopharyngeal - B
Gustation 
Posterior 1/3 taste buds
Parotid gland
Pharynx 
Middle ear
Stylopharyngeus muscle
External ear
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10
Q

CN X

A

Vagus - B
Smooth muscle
Cardiac Muscle
Glands of thoracic and abdominal organs through transverse colon
Carotid and aortic bodies - parasympathetic
Muscles of soft palate, pharynx, larynx, esophagus
Epiglottis
External ear

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11
Q

CN XI

A

Accessory - M
Shrugs shoulders
SCM/Trapezius

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12
Q

CN XII

A

Hypoglossal - M

Extrinsic and Intrinsic tongue muscles

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13
Q

Olfactory Nerve

A

CN I - S

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14
Q

Optic Nerve

A

CN II - S

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15
Q

Oculomotor Nerve

A

CN III - M

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16
Q

Trochlear Nerve

A

CN IV - M

17
Q

Trigeminal

A

CN V - Both

18
Q

Abducens

A

CN VI - M

19
Q

Facial

A

CN VII - B

20
Q

Vestibulocochlear

A

CN VIII - S

21
Q

Glossopharyngeal

A

CN IX - Both

22
Q

Vagus

A

CN X - Both

23
Q

Accessory

A

CN XI - M

24
Q

Hypoglossal

A

XII - Motor

25
Q

Which muscles do cranial nerve III innervate?

A 
CN III Oculomotor
Inferior Oblique
Inferior Rectus
Levator palpabrae Superioris
Medial Rectus
Sphincter Pupillae
Superior Rectus
26
Q

Which muscles do cranial nerve IV innervate?

A

CN IV Trochlear

Superior Oblique

27
Q

What muscles do cranial nerve VI innervate?

A

CN VI Abducens

Lateral Rectus

28
Q

What muscles do cranial nerve V innervate?

A 
CN V Trigeminal 
Pterygoids
Temporal 
Masseter
Mylohyoid
Digastric (anterior belly)
29
Q

What muscles do cranial nerve VII innervate?

A

CN VII Facial

All facial muscles

30
Q

What muscles does cranial nerve XI innervate?

A

CN XI Spinal Accessory
Sternocleidomastoid
Trapezius

Gross Anatomy Block 4 (7 decks)

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