cranial nerves Flashcards

1
Q

CN I name

A

olfactory n

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2
Q

CN II name

A

optic n

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3
Q

CN VIII name

A

vestibulocochlear n

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4
Q

CN III name

A

oculomotor n

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5
Q

CN IV name

A

trochlear n

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6
Q

CN VI name

A

abducens n

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7
Q

CN XI name

A

accessory n

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8
Q

CN XII name

A

hypoglossal n

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9
Q

CN V name

A

trigeminal n

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10
Q

CN VII name

A

facial n

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11
Q

CN IX name

A

glossopharyngeal n

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12
Q

CN X name

A

vagus n

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13
Q

define ganglion

A

collection of neuron cell bodies (soma) located in the peripheral nervous system

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14
Q

define sensory ganglion

A

collection of soma of first-order sensory neurons

periphery -> CNS

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15
Q

define (autonomic) parasympathetic ganglion

A

collection of soma of post-ganglionic (post-synaptic) parasympathetic neurons

CNS -> periphery

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16
Q

what neurons synapse in (autonomic) parasympathetic ganglia?

A

pre-ganglionic synapse with post-ganglionic parasympathetic neurons here

17
Q

define nuclei

A
18
Q

define sensory nuclei

A
19
Q

define motor nuclei

A
20
Q

CN V sensory ganglia originate in … and extend to …

A

pons

midbrain + medulla

21
Q

CN VII sensory ganglia originate in … and extend to …

A

pons

medulla

22
Q

CN VIII sensory ganglia originate in … and extend to …

A

pons

medulla

23
Q

CN IX parasympathetic ganglia originate in … and extend to …

A

medulla

pons

24
Q

CN nuclei located in midbrain

A

III, IV

25
Q

CN nuclei located in pons

A

V, VI, VII, VIII

26
Q

CN nuclei located in medulla

A

IX, X, XII

27
Q

CN nuclei located in spinal cord

A

XI

28
Q

CN I and II location

A

forebrain

29
Q

motor nuclei are located more medially or laterally in brain?

what is the one exception to this?

A

medially, near midline

somatic efferent nuclei for muscles derived from pharyngeal arch are more lateral

30
Q

sensory nuclei are located more medially or laterally in brain?

A

laterally

31
Q
A
32
Q
A