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Anatomy Lab > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

Name, Classification, Exit/Entrance

1
Q

CNI

A

Olfactory Nerve
Sensory: smell from nasal cavity
Foramen: cribriform plate

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2
Q

CNII

A

Optic Nerve
Sensory: Visual sensations from retina of eye
Foramen: Optic foramen

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3
Q

CNIII

A 
Oculomotor Nerve
Motor: 
1) Iris muscle
2) Lense Muscle
3) Muscles that move eye
4) Upper eyelid muscle
Foramen: superior orbital fissure
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4
Q

CNIV

A

Trochlear -(smallest CN) -only nerve that exits from posterior brain
Motor: Superior oblique muscle of the eye
Foramen: Superior orbital fissure

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5
Q

CNV

A

Trigeminal Nerve
-(largest CN)
-3 branches
Motor + Sensory

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6
Q

CNV-1

A

Ophthalmic Nerve
Sensory: sensations around eye
Foramen: superior orbital fissure

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7
Q

CNV-2

A

Maxillary Nerve
Sensory: Middle face + upper jaw
Foramen: foramen rotundum->inferior orbital fissure->infraorbital foramen

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8
Q

CNV-3

A 
Mandibular Nerve
Motor + Sensory:
A- sensations from lower face + jaw
B- mastication muscles
Foramen: Foramen ovale
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9
Q

CNVI

A

Abducens nerve
-arises from pontomedullary junction
Motor: lateral rectus of eye ball
Foramen: Superior Orbital Fissure

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10
Q

CNVII

A

Facial Nerve
-2 roots
Motor + Sensory:
Motor: facial muscles & sublingual + submandibular glands
Sensory: anterior 2/3 of tongue
Foramen: internal auditory meatus, stylomastoid foramen

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11
Q

CNVIII

A

Vestibulocochlear Nerve
-arises from pontomedullary junction
Sensory: hearing & balance
Foramen: internal auditory meatus

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12
Q

CNIX

A 
Glossopharyngeal Nerve
Motor + Sensory
Motor: 
1) Stylopharyngeus muscle of pharynx
2) Parotid Gland
Sensory: posterior 1/3 of tongue
Foramen: Jugular
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13
Q

CNX

A

Vagus nerve
Motor + Sensory
Motor: Pharyngeal & laryngeal muscles
Sensory:
-Pharyngeal, laryngeal, thoracic, & abdominal areas
-Taste from epiglottis
Foramen: Jugular

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14
Q

CNXI

A 
Accessory Nerve
Motor: 
1) Sternocleidomastoid Muscle
2) Trapezius Muscle
Foramen: Jugular
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15
Q

CNXII

A

Hypoglossal Nerve
Motor: Most tongue muscles
Foramen: Hypoglossal

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Anatomy Lab (7 decks)

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