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General CN info Flashcards

1
Q

T/F: Olfactory CN carries special sensory info.

A

true

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2
Q

What is the name of CN I?

A

olfactory

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3
Q

What kind of neurons are in nasal cavity synapsing on olfactory bulb?

A

bipolar neurons

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4
Q

What strcture is traversed by olfactory fibers to synapse on the olfactory bulb?

A

cribrform plate

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5
Q

What kind of info is relayed by CN II?

A

special sensory

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6
Q

Wha is th name of CN II?

A

Optic

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7
Q

What kind of neurons are associated with CN II?

A

bipolar

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8
Q

Which broadman area is most associated with CN II?

A

17

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9
Q

Where do fibers from the retina (CN II fibers) utimately travel to?

A

Lateral geniculate bodies

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10
Q

What is the name of CN III?

A

oculomotor

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11
Q

What kind of fibers are associated with CN III?

A

motor; somatic and parasympathetic

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12
Q

How many muscles are supplied by CN III?

A

7; 5 somatic and 2 visceral

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13
Q

What visceral muslce are supplied by CN III?

A

ciliaris and constrictor pupillae

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14
Q

What is the name of CN IV?

A

Trochlear

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15
Q

What kind of fibers are associated with CN IV?

A

somatic motor

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16
Q

What muscle is supplied by CN IV and what is the action of this muscle?

A

Superior Oblique; moves eye down and out

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17
Q

What is the name of CN V?

A

Trigeminal

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18
Q

What kinf of fibers are carreid by CN V?

A

mixed; somatic motor and sensory

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19
Q

What is the Great Sensory Nerve of the Face?

A

CN V

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20
Q

What is the largest CN?

A

CN V

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21
Q

What CN supplies motor innervation to the muscels of mastication?

A

CN V

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22
Q

What is the name of CN VI?

A

Abducens

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23
Q

What kind of fibers are carried by CN VI?

A

somatic motor

24
Q

What muscle is supplied by CN VI and what is the action?

A

lateral rectus; moves eye laterally

25
What is the name of CN VII?
Facial
26
What kind of fibers are carried by CN VII?
mixed; motor (somatic and parasympathetic): sensory (somatic and special)
27
What is the Nerve of Facial Expression?
CN VII
28
What part of the tongue does CN VII carry taste infro from?
anterior 2/3
29
What dermacates the area of the tongue supplied by CN VII?
sulcus terminalis
30
What CN supplies the stylohyoid and stapedius?
CN VII
31
What is the smallest muscle in the body?
stapedius
32
T/F: CN VII supplies lacrimal and salivary glands
True
33
What is the name of CN VIII?
Vestibulocochlear
34
What kind of fibers are carried by CN VIII?
special sensory
35
Which CN is actually two nerves bundled together?
CN VIII
36
Where does CN VIII receive sensory info from?
cochlea and vestibul
37
What is the name of CN IX
Glossopharyngeal
38
What kind of fibers are carried by CN IX?
mixed; motor (somatic and parasympathetic), and sensory (somatic and special)
39
What CN carries taste info from the posterior 1/3 of the tongue?
CN IX
40
What CN supplies somatic muscles including the stylopharyngeus?
CN IX
41
What gland does CN IX supply parasympathetic fibers to?
parotid glands
42
What is thename of Cn X?
vagus
43
What kind of fibers are carried by CN X?
mixed; motor (somatic and parasympathetic) and sensory (somatic)
44
what is the longest CN?
vagus; CN X
45
What CN provides somatic motor supply to the pharyngeal constrictors?
CN X
46
what CN supplies parasympathetic fibers to bronchi, heart, and GI tract?
CN X
47
How much of the GI tract is innervated by CN X?
from the esophagus to distal 1/3 of transverse colon
48
What is the name of CN XI?
Accessory of Spinal Accessory
49
What kind of fibers are carried by CN XI?
motor
50
What CN has both spinal and cranial parts?
CN XI
51
What CN supplies somatic muscles of the pharynx, larynx, and palate?
CN XI (cranial part)
52
What CN supplies somatic fibers to the SCM and traps?
CN XI (spinal part)
53
What is the name of CN XII?
Hypoglossal
54
What kind of fibers are carried by CN XII?
motor
55
What CN supplieds intrinsic and extrinsic muscles of the tongue?
CN XII

PNS (43 decks)

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