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PNS > General CN info > Flashcards

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
Q

What is the name of CN VII?

A

Facial

26
Q

What kind of fibers are carried by CN VII?

A

mixed; motor (somatic and parasympathetic): sensory (somatic and special)

27
Q

What is the Nerve of Facial Expression?

A

CN VII

28
Q

What part of the tongue does CN VII carry taste infro from?

A

anterior 2/3

29
Q

What dermacates the area of the tongue supplied by CN VII?

A

sulcus terminalis

30
Q

What CN supplies the stylohyoid and stapedius?

A

CN VII

31
Q

What is the smallest muscle in the body?

A

stapedius

32
Q

T/F: CN VII supplies lacrimal and salivary glands

A

True

33
Q

What is the name of CN VIII?

A

Vestibulocochlear

34
Q

What kind of fibers are carried by CN VIII?

A

special sensory

35
Q

Which CN is actually two nerves bundled together?

A

CN VIII

36
Q

Where does CN VIII receive sensory info from?

A

cochlea and vestibul

37
Q

What is the name of CN IX

A

Glossopharyngeal

38
Q

What kind of fibers are carried by CN IX?

A

mixed; motor (somatic and parasympathetic), and sensory (somatic and special)

39
Q

What CN carries taste info from the posterior 1/3 of the tongue?

A

CN IX

40
Q

What CN supplies somatic muscles including the stylopharyngeus?

A

CN IX

41
Q

What gland does CN IX supply parasympathetic fibers to?

A

parotid glands

42
Q

What is thename of Cn X?

A

vagus

43
Q

What kind of fibers are carried by CN X?

A

mixed; motor (somatic and parasympathetic) and sensory (somatic)

44
Q

what is the longest CN?

A

vagus; CN X

45
Q

What CN provides somatic motor supply to the pharyngeal constrictors?

A

CN X

46
Q

what CN supplies parasympathetic fibers to bronchi, heart, and GI tract?

A

CN X

47
Q

How much of the GI tract is innervated by CN X?

A

from the esophagus to distal 1/3 of transverse colon

48
Q

What is the name of CN XI?

A

Accessory of Spinal Accessory

49
Q

What kind of fibers are carried by CN XI?

A

motor

50
Q

What CN has both spinal and cranial parts?

A

CN XI

51
Q

What CN supplies somatic muscles of the pharynx, larynx, and palate?

A

CN XI (cranial part)

52
Q

What CN supplies somatic fibers to the SCM and traps?

A

CN XI (spinal part)

53
Q

What is the name of CN XII?

A

Hypoglossal

54
Q

What kind of fibers are carried by CN XII?

A

motor

55
Q

What CN supplieds intrinsic and extrinsic muscles of the tongue?

A

CN XII

PNS (43 decks)

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