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Anatomy - Lower Limb and Face > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

0
Q

CN II

A

Name: optic nerve
Function: sight
Cranial exit: optic canal

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1
Q

CN I

A

Name: olfactory nerve
Fuction: smell
Cranial exit: cribiform plate of ethmoid bone

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2
Q

CN III

A

Name: oculomotor
Function: movement of the eye superiorly, inferiorly, and medially and movement of eyelid
Cranial exit: superior orbital fissure

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3
Q

CN IV

A

Name: trochlear nerve
Function: eye movement (inferolateral movement)
Cranial exit: superior orbital fissure

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4
Q

CN V

A

Name: trigeminal nerve
Function: sensation of olfactory area, maxillary area, and mandibular area
Cranial exit: superior orbital fissure

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5
Q

CN VI

A

Name: abducens nerve
Function: abduct (lateral movement) of eye
Cranial exit: superior orbital fissure

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6
Q

CN VII

A

Name: facial nerve
Function: facial expression
Cranial exit: internal acoustic meatus (facial canal and stylomastoid foramen)

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7
Q

CN VIII

A

Name: vestibulocochlear
Function: vestibular sensation - balance and position
Cranial exit: internal acoustic meatus

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8
Q

CN IX

A

Name: glossopharyngeal nerve
Function: swallowing and parotid, middle ear, and carotid sensation, and taste
Cranial exit: jugular foramen

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9
Q

CN X

A

Name: vagus nerve
Function: tracheal sensation, GI tract sensation, and taste
Cranial exit: jugular foramen

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10
Q

CN XI

A

Name: spinal accessory nerve
Function: innervation of traps and SCM
Cranial exit: jugular foramen

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11
Q

CN XII

A

Name: hypoglossal nerve
Function: motor to tongue muscles
Cranial exit: hypoglossal canal

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12
Q

What are the three divisions of the CN V and their exits?

A

Opthalmic - superior orbital fissure
Maxillary - foramen rotunda
Mandibular - foramen ovale

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13
Q

What sits in the cellica turcica?

A

Pituitary gland

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14
Q

What is the flow of the sinuses?

A

Superior flows into inferior sagittal sinuses which flows into the straight sinus which flows into the confluence which flows into transverse sinus which flows into the sigmoid sinus and finally to the internal jugular vein

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15
Q

What are the three dural folds?

A

Falx cerebri, falx cerebelli, and tentorium cerebelli

16
Q

What are the four nerves that run through the superior orbital fissure?

A

CN III, IV, first division of V, and VI

17
Q

What nerves give parasympathetic innervation?

A

III, VII, IX, and X

18
Q

Pneumonics for cranial nerves

A

Names: Oh oh oh to touch and feel virgin girls vagina and hooters
Innervation: Some say marry money but my brother says big brains matter more

19
Q

What does the middle meningeal artery come from?

A

Foramen spinosum

20
Q

What are the two divisions of the cranium?

A

Neurocranium and viscerocranium

21
Q

What are the two divisions of the neurocranium?

A

Calvaria (skull cap) and basicranium

22
Q

What are the 8 bones of the neurocranium?

A

Frontal, ethmoid, sphenoid, occipital, temporal (2), and parietal (2) bones

23
Q

How many bones comprise the viscerocranium?

A

15

24
Q

What does the petrous temporal region of the skull house?

A

Organs of hearing and balance

25
Q

What are the three fossae of the cranium?

A

Anterior, middle, and posterior fossa

26
Q

What are the three fissures of the orbit?

A

Superior, middle, and inferior orbital fissures

27
Q

What does the crista galli anchor?

A

Falx cerebri

28
Q

What does the cribiform plate house?

A

Olfactory nerve

29
Q

What does the optic canal contain?

A

Optic nerve and opthalmic artery

30
Q

What does the foramen magnum transmit?

A

Medulla, meninges, vertebral and spinal vessels, and the spinal root of CN XI

31
Q

SCALP

A

Skin, connective tissue, aponeurosis, loss connective tissue, and pericranium

32
Q

What are the three cranial meninges?

A

Superficial to deep: dura mater, arachnoid mater, and pia mater

33
Q

What are the two layers of the dura mater?

A

Periosteal layer and the meningeal layer

34
Q

What separates the occipital lobes from the cerebellum?

A

Tentorium cerebelli

35
Q

What separates the cerebellar hemispheres?

A

Falx cerebelli

36
Q

What separates the right and left cerebral hemispheres?

A

Falx cerebri

37
Q

What runs under the pterion?

A

Middle meningeal artery

Anatomy - Lower Limb and Face (16 decks)

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