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The flashcards below were created by user
Padomay
on FreezingBlue Flashcards.
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How many Cranial Nerves are there?
- 12
- - 2 pairs from Forebrain
- - 10 pairs from brainstem
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What are Special Somatic Afferent Nerves?
- Refers to Eyes, Ears and balance
- CNII Optic
- CNVIII Vestibulococchlear
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What are the Special Visceral Afferents?
- Smell and Taste
- Need to be in fluid
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What are the Special Visceral Efferents?
Branchiomeric Muscle innervation
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What are the General Somatic Afferents?
Skin and Mucous Membrane feeling
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What are the General Somatic Efferents?
Innervation of skeletal muscle from somites
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What is CNI?
- Olfactory Nerve
- SVA
- Olfactory Bulb over superior nasal concha, axons passing through cribriform plate
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What is CNII?
- Optic Nerve
- SSA
- Senses Light, Cell bodies in Retina
- Axons pass posteriorly through orbit and form optic chiasma for right and left visual fields
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What is CNIII?
- Occulomotor Nerve
- Controls Eye movement
- Carries sensory information of positioning and movement of eyes
- Joins with Opthalmic division of Trigeminal
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What is CNIV?
- Trochlear Nerve
- Same as Occulomotor Nerve
- Controls eyes, basic sensory, connects trigeminal
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What is CNV?
- Trigeminal Nerve
- Innervates most of face
- V1 - Opthalmic Nerve General somatic Afferent
- V2 - Maxillary Nerve General Somatic Afferent (teeth and asociated structures of upper jaw)
- V3 - Mandibular Nerve (teeth and associated structures lower jaw)
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What is CNVI?
- Abducens Nerve
- Innervates lateral rectus muscle of eye
- Proprioception
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What is CNVII?
- Facial Nerve
- Sensory and Motor
- Acoustic Meatus
- Sense of taste Anterior 2/3 Chorda Tympani
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What is CNVIII?
- Vestibulocochlear Nerve
- Special Sensory Hearing and Balance
- Cochlear and Vestibular branches
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What is CNIX?
- Glossopharyngeal
- Sensory and Motor
- Posterior 2/3 taste/motor
- Baroreceptors w/Vagus
- Sensation in Eardrum
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What is CNX?
- Vagus
- Most extensive
- Baroreceptors with Glossopharyngeal
- Head, neck, heart, lungs and abdominal viscera
- Sensory and Motor
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What is CNXI?
- Accessory Nerve
- SVE to pharynx, larynx and neck muscles
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What is CNXII?
- Hypoglossal Nerve
- Somatic Efferent of Tongue
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What is the Penumonic for Nerve Names?
On Old Olympus's Towering Top, A Friendly Viking Grew Vines And Hops
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What is the Penumonic for Nerve Functions?
- Some Say Money Matters, But My Beloved Says Being Beloved Matters More
- B = Both
- S = Sensory
- M = Motor
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What are the Extraoccular Muscles of the Eye?
- MEDIAL
- Sup. Rectus CNIII
- Med. Rectus CNIII
- Inf. Rectus CNIII
- LATERAL
- Inf. Oblique CNIII
- Lat. Rectus CNVI
- Sup. Oblique CNIV
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What areas does the Motor aspect of CNV control?
Mastication, belly digastric, tensor veli palatini, tensor tympani
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