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PHTH 527 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

What is CNI

A

olfactory bulb (smell)

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2
Q

what is CN II

A

optic nerve (vision)

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3
Q

What is CN III

A

oculomotor nerve (motor/ pupillary constriction)

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4
Q

what is CN IV

A

trochlear nerve (motor/ torsion of the eye)

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5
Q

what is CN V

A

trigeminal nerve
(sensory/motor)

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6
Q

what is CN VI

A

Abducens nerve
(motor/ abd eye)

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7
Q

what is CN VII

A

Facial Nerve (motor/ taste)

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8
Q

What is CN VIII

A

Vestibulocochlear Nerve (sensory)

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9
Q

What is CN IX

A

Glossopharyngeal nerve (motor/sensory/ taste)

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10
Q

what is CN X

A

Vagus nerve (motor/sensory/taste)

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11
Q

what is CN XI

A

Accesory Nerve
(motor)

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12
Q

what is CN XII

A

hypoglossal nerve (motor to tongue)

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13
Q

what are the cranial nerves located in the midbrain

A

CN III oculomotor, CN IV trochlear

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14
Q

what are the cranial nerves located in the pons

A

(CNV-CNVIII)
CN V trigeminal, CN VI abducens, CN VII facial nerve, CN VIII vestibulocochlear

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15
Q

what are the cranial nerves located in the medulla?

A

CN IX glossopharyngeal, CN X Vagus, CN XI accesory nerve, CN XII hypoglossal nerve

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16
Q

what blood vessels supplies the medulla?

A

the vertebral artery

17
Q

what cranial nerves are responsible for eye movement?

A
  • CN III oculomotor nerve controls SR, IO, MR, and IR. Allows the eye to looks up and down and medially.
    -CN IV trochlear nerve controls the superior oblique muscle and allows the eye to move down and out.
    CN VI abducens controls the lateral rectus and abducts the eye.
18
Q

what is the largest CN in the pons?

A

CN V trigeminal provides innervation to the muscles of mastication and sensory innervation to the face, mouth, teeth, and nasal cavity. It carries pain, heat, cold, and discriminative touch.
V1= opthalamic sensory
v2= maxillary sensory
v3= mandibular sensory and motor

19
Q

what CN carry parasympathetic information?

A

-CN III oculomotor carries the pupillary reflex
-CN VII facial carries the sublingual salivary glands
-CN IX glossopharyngeal carries parotid salivary glands
-CN X vagus regulates HR and breath

PHTH 527 (7 decks)

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