WVSOM -- CN VII
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the 2 efferent components of CN VII? | facial motor nucleus and superior salivatory nucleus
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| What kind of nerve is CN VII? | mixed
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| How many nuclei are involved with CN VII? | 4
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| Where do axons leave for CN VII? | pontomedullary junction
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| What is the purpose of the facial motor nucleus? | motor neurons that innervates voluntary mimetic muscles of the face
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| Where is the facial motor nucleus? | caudal pons
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| What gives cortical motor input to the facial nerve? | corticobulbar tract
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| What kind of cortical input innervates the upper portion of the face? | bilateral input
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| What kind of cortical input innervates the lower portion of the face? | contralateral input
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| What is the purpose of the superior salivatory nucleus? | parasympathetic preganglionic axons that innervate the pterygopalatine and submandibular ganglia
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| What does the pterygopalatine ganglion lead to? | lacrimation via lacrimal gland
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| What does the submandibular ganglion lead to? | salivation via the sublingual and submandibular glands
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| What part of taste goes with CN VII? | anterior 2/3 of the tongue
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| What are the two afferent components of CN VII? | taste and somatic sensations
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| Where does CN VII conduct somatic sensations from? | pinna (ear)
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| Where are sensory neurons of CN VII have their cell bodies? | geniculate ganglion
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Created by:
tjamrose
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