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Mar: Sem 3 - Principles I > Final- Regional Neuroanatomy Part 3 > Flashcards

Final- Regional Neuroanatomy Part 3 Flashcards

1
Q

Name all twelve cranial nerves in order and name what category they fall in.

A
  • On Occasion Our Trusty Truck Acts Funny Very Good Vehcle Anyhow
    • CN I: olfactory nerve S
    • CN II: optic nerve S
    • CN III: Oculomotor nerve M
    • CN IV: Trochlear nerve M
    • CN V: Trigeminal nerve B
    • CN VI: Abducent nerve M
    • CN VII: Facial nerve B
    • CN VIII: vestibulocochlear nerve S
    • CN IX: Glossopharyngeal nerve B
    • CN X: Vagus nerve B
    • CN XI: Accessory nerve M
    • CN XII: hypoglossal nerve M
  • Sensory/Motor/Botth: some say money matters but my brother says big brains matter most
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2
Q

What are the motor cranial nerves?

A
  • III: Oculomotor
  • IV: Trochlear
  • VI: Abducent
  • XI: Accessory
  • XII: Hypoglossal
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3
Q

What are the pure sensory cranial nerves (specialized signal transduction)?

A
  • I: Olfactory
  • II: Optic
  • VIII: Vestibulocochlear
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4
Q

What cranial nerve provides innervation to the superior oblique of the eye?

A
  • Cranial Nerve IV (Trochlear)
  • Eyeball up and down
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5
Q

How many muscles control the eyeballs?

A
  • 6 muscles
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6
Q

Which cranial nerve innervates 4 of the 6 muscles of the eyeball?

A
  • Cranial Nerve III (Oculomotor)
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7
Q

What cranial nerve provides innervation to the lateral rectus of the eyeball?

A
  • Cranial Nerve VI (Abducent)
  • Eyeball side to side
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8
Q

Where does cranial nerve XI (accessory nerve) provide motor innervation?

A
  • Sternocleidomastoid
  • Trapezius
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9
Q

Where does cranial nerve XII (hypoglossal nerve) provide motor innervation?

A
  • Tongue
  • Floor of mouth
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10
Q

What has second-order sensory neurons that descend through the cribriform plate and into the nasal cavity?

A
  • Olfactory Bulb
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11
Q

What is another term for the occipital lobe?

A
  • Visual Cortex
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12
Q

What are the 3 bones connected to the tympanic membrane?

A
  • Malleus
  • Incus
  • Stapes
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13
Q

The movement and vibration through the tympanic membrane are measured through what structure?

A
  • Cochlea
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14
Q

What are the mixed cranial nerves?

A
  • V: Trigeminal
  • VII: Facial
  • IX: Glossopharyngeal
  • X: Vagus
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15
Q

What are the sensory and motor function of the cranial nerve V (trigeminal nerve)?

A
  • Sensory front of the head
  • Chewing
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16
Q

What are the three divisions of the trigeminal nerve?

A
  • V1: Ophthalmic
  • V2: Maxillary
  • V3: Mandibular
17
Q

What are the primary sensory nerves of V1 ophthalmic sensory division?

A
  • Supraorbital Nerve (branched to the top skull)
  • Supratrochlear Nerve (branched to the nose)
18
Q

What are the primary sensory nerves of V2 maxillary sensory division?

A
  • Infraorbital Nerve (front of face)
  • Palatine Nerve (roof of the mouth)
19
Q

What are the primary sensory nerves of V3 mandibular sensory division?

A
  • Inferior Alveolar Nerve (Jaw)
  • Mental Nerve (Chin)
  • Lingual Nerve (Anterior sensory of 2/3 of tongue)
20
Q

What are the two muscles involved in chewing?

A
  • Masseter
  • Temporalis Muscle
21
Q

What cranial nerve provides posterior 1/3 sensation on the tongue?

A
  • Cranial Nerve IX (Glossopharyngeal Nerve)
22
Q

What cranial nerve provides the sensory component to the oropharynx of the soft palate?

A
  • Cranial Nerve IX (Glossopharyngeal Nerve)
23
Q

What cranial nerve is involved in transmitting signals from our chemoreceptors (carotid body) and baroreceptors (carotid sinus)?

A
  • Cranial Nerve IX (Glossopharyngeal Nerve)
24
Q

What gland is involved with Cranial Nerve IX (Glossopharyngeal Nerve)?

A
  • Parotid Gland
  • Only gland in the face connected to CN IX. All other glands are connected to the CN VII (Facial Nerve)
25
Q

Which cranial nerve provides a sensory inner/middle ear connection and auditory canal?

A
  • Cranial Nerve IX (Glossopharyngeal Nerve)
26
Q

Efferent Review of the Cranial Nerve X (Vagus Nerve)

A
  • Laryngeal muscles (speaking)
  • Pharyngeal constrictors
  • PSNS to heart (↓HR)
  • PSNS to GI (motility)
  • PSNS to lungs/airways (constriction)
  • PSNS
27
Q

Sensory Review of the Cranial Nerve X (Vagus Nerve)

A
  • Laryngopharynx
  • Larynx
  • Epiglottis
  • Trachea
  • Aortic arch: BP & acid/base
28
Q

What is Branch #1 and Branch #2?

A
  • 1: Pharyngeal Nerve
  • 2: Superior Laryngeal
29
Q

The Superior Laryngeal branch divides into what divisions?

A
  • Internal Larygneal Branch
  • External Laryngeal Branch
30
Q

What does the external laryngeal branch do?

A
  • Provides motor function to the cricothyroid muscle
31
Q

What does the internal laryngeal branch do?

A
  • Provide sensory to the top of the larynx
32
Q

The right recurrent laryngeal nerve loops around what structure?

A
  • Right subclavian artery
33
Q

The left recurrent laryngeal nerve loops around what structure?

A
  • Aortic arch
34
Q

What is the most exterior fibrous covering of a nerve called?

A
  • Outer Epineurium
35
Q

What is an inner or interior epineurium?

A
  • Chunks of Epineurium connective tissue that wraps around interior nerve fascicles.
  • The interior epineurium takes up space and provides nutrient support for the nerve fascicles
36
Q

The connective tissue that creates a border between a nerve fascicle.

A
  • Perineurium
37
Q

The tissue inside the perineurium.

A
  • Endoneurium

Mar: Sem 3 - Principles I (29 decks)

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