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Neurology - Sem 3 > Cranial nerves > Flashcards

Cranial nerves Flashcards

1
Q
  1. What do the following modalities mean?
  • SSA
  • SVA
  • GVA
A
  • Special Somatic afferent - vision, hearing balance
  • Special visceral afferent - Smell, taste
  • General visceral afferent - Sensory input from viscera
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2
Q
  • GSA
  • GSE
A
  • General sensory afferent - Perception of touch, pain, temperature
  • General somatic efferent - Motor innervation of skeletal (Voluntary muscle)
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3
Q
  • GVE
  • SVE
A
  • General visceral efferent - Motor innervation to smooth muscle, heart muscle, and glands
  • Special visceral efferent - Motor innervation to skeletal muscles derived from pharyngeal arch of mesoderm
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4
Q

What are the 7 CN modalities?

A
  • GSA - General somatic afferent
  • SVA - Sensory Visceral afferent
  • GVA - General visceral afferent
  • GSE - General somatic efferent
  • SVE - Special visceral efferent
  • GVE - General visceral efferent
  • SSA - Special somatic afferent
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5
Q
  1. What modalities does CN1 have?
  2. Which nerve is this?
A
  1. SSA - Special sense of smell
  2. Olfactory nerve
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6
Q
  1. Which nerve is CN2?
  2. Which modalities does CN2 have?
A
  1. Optic nerve
  2. SSA - Special sense of vision
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7
Q
  1. Which nerve is CN III?
  2. Which modalities does CN III have?
A
  1. Occulomotor nerve
  2. GSE - Motor to extra-occular muscles (Medial, Superior Inferior Rectus & Inferior oblique) & Levator palpebri superioris
  3. GVE - Parasympathetic to Sphincter pupillae for accomodation
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8
Q
  1. Which nerve is CN IV?
  2. Which modalities does CN IV have?
A
  1. Trochlear nerve
  2. GSE - Motor to superior oblique muscle
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9
Q
  1. Which nerve is CN V?
  2. Which modalities does CN V have?
A
  1. Trigeminal nerve
  2. GSA - Sensory to face, orbit, nose, anterior tongue
  3. SVE - Motor to Temporalis muscle, masseter, medial and lateral pterygoids, tensor tympani, anterior belly of digastric, myolhyoid muscles
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10
Q
  1. Which nerve is CN VI?
  2. Which modalities does CN VI have?
A
  1. Abducent nerve
  2. GSE - Motor to lateral rectus muscle
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11
Q
  1. Which nerve is CN VII?
  2. Which modalities does CN VII have?
A
  1. Facial nerve
  2. GSA - Sensory to external acoustic meatus and auricle
  3. SVA - Special sense of taste to anterior 2/3 of tongue
  4. GVE - Motor to glands - lacrimal gland, submandibular, and sublingual salivary glands & Hard and soft palates
  5. SVE - Motor to facial muscles and scalp from 2nd pharyngeal arch - & stapedius, posterior belly of digastric, stylohyoid muscles
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12
Q
  1. Which nerve is CN VIII?
  2. Which modalities does CN VIII have?
A
  1. Vestibulocochlear nerve
  2. SSA - Special sense of hearing and balance
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13
Q
  1. Which nerve is CN IV?
  2. Which modalities does CN IV have?
A
  1. Glossopharyngeal nerve
  2. GSA - Sensory to posterior 1/3 of tongue, palatine tonsils, oropharynx, middle ear mucosa, eustachian tube, and mastoid air cells
  3. SVA - Special sense of taste - posterior tongue
  4. GVA - Sensory from middle ear, pharynx, carotid body & sinus
  5. GVE - Motor to parotid salivary gland
  6. SVE - Motor to stylopharyngeus muscle
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14
Q
  1. Which nerve is CN X?
  2. Which modalities does CN X have?
A
  1. Vagus nerve
  2. GSA — Sensory from larynx, laryngopharynx & dura in PCF
  3. SVA - Special sense of taste, epiglottis
  4. GVA - Sensory from pharynx, larynx, and thoracic and abdominal organs, aortic body chemoreceptors and baroreceptors, esophagus, bronchi, lungs, heart
  5. GVE - Motor to smooth muscle and glands in pharynx, larynx, and thoracic and abdominal organs
  6. SVE - Motor to palatoglossus muscle, muscles of soft palate except tensor veli palatini, and pharynx and larynx except stylopharyngeus
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15
Q
  1. Which nerve is CN XI?
  2. Which modalities does CN XI have?
A
  1. Spinal accessory nerve
  2. GSE - Motor to Sternocleidomastoid & Trapezius muscles
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16
Q
  1. Which nerve is CN XII?
  2. Which modalities does CN XII have?
A
  1. Hypoglossal nerve
  2. GSE - Motor to muscles of tongue except Palatoglossus
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17
Q
  1. What are the divisions of CN V?
A
  1. V1 - Opthalmic division
  2. V2 - Maxillary division
  3. V3 - Mandibular division
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18
Q
  1. Where does the olfactory nerve exit from the skull
A
  1. Cribiform plate of ethmoid bone
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19
Q
  1. Where does the optic nerve exit the skull?
A
  1. Optic canal
20
Q
  1. Where do the occulomotor, trochlear, and abducent nerve exit the skull?
A
  1. Superior orbital fissure
21
Q
  1. Where does the Trigeminal nerve exit the skull?
  2. V1
  3. V2
  4. V3
A
  1. V1 — Superior orbital fissure
  2. V2 — Foramen rotundum
  3. V3 — Foramen ovale
22
Q
  1. Where does the facial nerve exit the skull?
  2. Where does it actually leave the skull?
A
  1. Internal acoustic meatus
  2. Stylomastoid foramen
23
Q
  1. Where does the vestibulocochlear nerve leave the cranial cavity?
A
  1. Internal acoustic meatus
24
Q
  1. Where do the Glossopharyngeal, vagus, and accessory nerve exit the skull?
A
  1. Jugular foramen
25
Q
  1. Where does the hypoglossal nerve exit the skull?
A
  1. Hypoglossal canal
26
Q
  1. Which cranial nerves have GSA modality?
A
  1. CN V, CN VII, CN IX, CN X
27
Q
  1. Which cranial nerves have the GVA modality?
A
  1. CN IX,CN X
28
Q
  1. Which cranial nerves have the SVA modality?
A
  1. CN I, CN IX, CN VII, CN X
29
Q
  1. Which cranial nerves have the SSA modality?
A
  1. CN VII, CN II
30
Q
  1. Which cranial nerves have the GSE modality?
A

CN III, CN IV, CN VI, CN XI, CN XII

31
Q
  1. Which cranial nerves have the GVE modality?
A
  1. CN III, CN VII, CN IX, CN X
32
Q
  1. Which cranial nerves have the SVE modality?
A
  1. CN V, CN VII, CN IX, CN X
33
Q
  1. Which sense does the mesencephalic trigeminal nucleus supply?
A
  1. Proprioception
34
Q

Which sense does the chief trigeminal nucleus supply?

A
  1. touch
35
Q
  1. Which sense does the spinal trigeminal nucleus supply?
A
  1. pain and temperature
36
Q
  1. What is the nucleus of CN III? (2)
  2. Which part of the brainstem is it found?
A
  1. Erdinger Westphal nucleus & Occulomotor nucleus
  2. Midbrain
37
Q
  1. What is the nucleus of CN IV?
  2. Which part of the brainstem is it found?
A
  1. Trochlear nucleus
  2. Midbrain
38
Q
  1. What is the nucleus of CN V? Sensory and Motor
  2. Which part of the brainstem is it found?
A
  1. Sensory - Trigeminal nucleus (M+S+P) & Motor - Trigeminal motor nucleus
  2. Pons
39
Q
  1. What is the nucleus of CN VI?
  2. Which part of the brainstem is it found?
A
  1. Abducens nucleus
  2. Pons
40
Q
  1. What is the nucleus of CN VII? (2)
  2. Which part of the brainstem is it found?
A
  1. Facial nucleus & Superior salivatory nucleus
  2. Pons
41
Q
  1. What is the nucleus of CN VIII? (2)
  2. Which part of the brainstem is it found? (2)
A
  1. Vestibular and cochlear nuclei
  2. Medulla and Pons
42
Q
  1. What is the nucleus of CN IX? (4)
  2. Which part of the brainstem is it found?
A
  1. Inferior salivatory nucleus & Nucleus ambiguus & Nucleus solitarius & Spinal trigeminal nucleus
  2. Medulla & Pons
43
Q
  1. What is the nucleus of CN X? (3)
  2. Which part of the brainstem is it found?
A
  1. Dorsal vagal nucleus & Nucleus solitarius & Spinal trigeminal nucleus
  2. Medulla
44
Q
  1. What is the nucleus of CN XI? (2)
  2. Which part of the brainstem is it found?
A
  1. Accessory nucleus
  2. Medulla oblongata
45
Q
  1. What is the nucleus of CN XII? (2)
  2. Which part of the brainstem is it found?
A
  1. Hypoglossal nucleus
  2. Medulla
46
Q

Identify the cranial nerve motor nuclei:

  • Accessory nucleus
  • Hypoglossal nucleus
  • Dorsal vagal nucleus
  • Nucleus ambiguus
  • Inferior salivatory nucleus
  • Superior salivatory nucleus
  • Facial nucleus
  • Abducens nucleus
  • Trigeminal motor nucleus
  • Trochlear nucleus
  • Occulomotor nucleus
  • Erdinger westphal nucleus
A
47
Q

Identify the cranial nerve sensory nuclei:

  • Mesencephalic trigeminal nucleus
  • Pontine trigeminal nucleus
  • Vestibular and cochlear nuclei
  • Nucleus solitarius
  • Spinal trigeminal nucleus
A

Neurology - Sem 3 (15 decks)

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