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CNS > Test 3 > Flashcards

Test 3 Flashcards

1
Q

alpha motor neuron

A

Spinal chord

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2
Q

Descending tract

A

Corticospinal tract, reticulospinal tract, tectospinal tract, vestibulospinal tract, raphespinal tract

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3
Q

Functional component are parasympathetic nerves

A

GVE

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4
Q

V3 of trigeminal

A

mostly motor

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5
Q

has nothing to to do with taste only motor

A

hypoglossal

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6
Q

taste component in the back of the throat, epiglottis region

A

vagus

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7
Q

Glossopharyngeal nerve

A

motor nucleus/ nucleus ambiguous

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8
Q

Innervates muscles of mastication

A

GSA

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9
Q

Corneal blink reflex involves

A

trgeminal(afferent) and facial (efferent)

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10
Q

otolithic membrane

A

Gelatinous membrane sitting on top. Weighted down by crystals on to sterocilia

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11
Q

spiral organ

A

receptor organ-organ of corti

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12
Q

scala media contains

A

filled with endolymph

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13
Q

scala vestibuli and tympani

A

filled with perilymph

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14
Q

fovea contains what type of cells

A

cones

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15
Q

Which is not a direct target of cell axons

A

visual cortex

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16
Q

hypoglossal nucleus

A

motor

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17
Q

normally when eyes look at something on the left side what is activated?

A

right occulomotor and left abducens

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18
Q

which funcitonal component is assocated with vestibulocochlear nearve

A

specific somatic efferents

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19
Q

Nerve fibers of the solitary tract

A

serve as afferent limb of reflexes and modulate cardiac and respiratory functions

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20
Q

Cerebral peduncles does not contain

A

Superior colliculus

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21
Q

which nucleus receives afferent fibers from the ventral hearing in the left ear

A

superior olivary nucleus

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22
Q

which uncles of nerve fibers contains central branches of the primary sensory neurons tat provide for general sensations from posterior 1/3 of the tongue

A

spinal trigeminal tract

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23
Q

72 year old with history of cardiovascular disease has sudden onset of confusion during which her left arm and leg became weak. Weakness was most likely due to damage of which of the following?

A

right internal capsule

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24
Q

how many functional components are in the brainstem?

A

seven

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25
Q

which branch of the trigeminal nerve carries motor fibers

A

mandibular

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26
Q

Olfactory tract contains what type of cells

A

Mitral cell axons

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27
Q

Which functional component do CN3, 6 and 12 share?

A

GSE

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28
Q

shine a light in the right eye but the left pupil does not respond, which nerve is damaged?

A

Left oculomotor nerve

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29
Q

A lesion to what area will cause loss of taste?

A

Nucleus solitaries

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30
Q

Olfactory cells axons are mad of what type of cell?

A

mitral cell

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31
Q

What olfactory striae is contralateral?

A

medial

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32
Q

which olfactory striae is involved in conscious perception of smell?

A

intermediate olfactory striae

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33
Q

Most important crossover in auditory pathways is

A

trapezoid body

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34
Q

what is not part of the auditory pathway

A

inferior olivary nucleus

35
Q

what is the primary auditory cortex?

A

transverse temporal gyrus

36
Q

Organ of court is where?

A

cochlear duct

37
Q

Lateral rectus is innervated by

A

abducens nerve

38
Q

when looking to the right you activate

A

right abducens and left occulomotor nerves

39
Q

where do olfactory cells cross?

A

anterior commisure

40
Q

what innervates muscles of mastication?

A

Trigeminal

41
Q

concentration in the fovea?

A

Cones

42
Q

CN VI controls

A

lateral rectus

43
Q

Which nerve has a parasympathetic component?

A

CN III

44
Q

shine light in the right no contraction…. left eye contracts

A

right occulomotor

45
Q

Leison cause left pupil to respond when light is shone onto right retina but no response of right right pupil?

A

transection of right oculomotor

46
Q

where ganglia cells not terminate

A

visual cortex

47
Q

when looking at something on the right which nerves?

A

right abducens, left oculomotor

48
Q

not made in ant pituitary

A

oxytocin

49
Q

major decussation of auditory

A

oxytocin

50
Q

which of the olfactory crosses over?

A

medial striae

51
Q

Organ of corti

A

cochlear duct/spiral organ

52
Q

medial and lateral Hypothalamus is separated by

A

fornix

53
Q

olfactory nerve body in the

A

bulb

54
Q

olfacoty axons synapses in

A

glomeruli of olfactory bulb

55
Q

temporal lobe includes

A

auditory cortex

56
Q

olfacotry glomeruli contain fibers from all except

A

granule cells

57
Q

these neurons are replaced about every 2 months

A

olfactory

58
Q

olfactory striae response for odor perception

A

medial

59
Q

hypothalamus associated with

A

endocrine, limbic, ANS

60
Q

hallucination

A

parahippocampal gyrus?

61
Q

circuit for explained emotion is _____ and involved with limbic system?

A

papez circuit

62
Q

Fornix goes from _____ to _____

A

hippocampus, mammillary bodies

63
Q

some mitral cell axons cross at the

A

anterior commissure

64
Q

Vasopressin released in capillaries with in neurohypophysis is produced by?

A

Neurons projecting to the posterior pituitary gland

65
Q

what is involved in the pupillary light reflex?

A

ciliary

66
Q

nerves involved in the SVA

A

I,VII, X

67
Q

2 nerves involved in corneal reflex

A

trigeminal and facial

68
Q

concentration in the fovea

A

cones

69
Q

photoreceptor

A

rods

70
Q

not true of the nerves of the solitary tract?

A

go to anterior 1/3 of tongue for taste

71
Q

what does CN VI control

A

lateral rectus

72
Q

sensory organ in dynamic equilibrium?

A

cristae

73
Q

run into a tree -> what?

A

utricle, saccule, both

74
Q

what nerve has a parasympathetic component?

A

CNIII oculomotor

75
Q

shine light=>right eye no contraction left eye contraction what nerve?

A

Right oculomotor

76
Q

What functional component is parasympathetic

A

GVE

77
Q

What nerve innervates the muscles of mastication

A

trigeminal

78
Q

Where do ganglia cells not terminate?

A

Visual cortex

79
Q

when looking to the right

A

right abducens, left oculomotor

80
Q

ascending LLF ends in

A

oculomotor nucleus

81
Q

pharyngeal and laryngeal muscles innervated by muscle fibers from

A

nucleus ambiguus

82
Q

what the solitary conveys

A

afferent limb of reflexes and modulates cardiac and respiratory function

83
Q

if there a lesion and can’t taste

A

solitary tract/nucleus

84
Q

what innerates the sensory tympani and stapes

A

trigeminal and facial nerves

CNS (15 decks)

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