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CNS > Exam 3 > Flashcards

Exam 3 Flashcards

1
Q

The nerve fibers of solitary tract?

A

Serve as the afferent limb of a variety of reflexes including those that modulate cardiac and respiratory function

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2
Q

What nucleus receives all taste input?

A

Dorsal motor nucleus of the vagus

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3
Q

What is not a part of the auditory pathway?

A

Superior Colliculus

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4
Q

What is the receptor organ for dynamic equilibrium>

A

Christa

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5
Q

The functional component of parasympathetic neurons is?

A

GVE

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6
Q

Identify the ascending pathway for the conscious awareness of pain originating from the eyebrow

A

Opthalamic nerve ->Trigeminal ganglion -> Spinal trigeminal nucleus -> primary sensory area

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7
Q

Ascending fibers of the medial longitudinal fascicles (MLF) end in the?

A

Oculomotor nuclei

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8
Q

Which pair of nerves innervate the tensor tympani and stapedius muscles?

A

Trigeminal and facial

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9
Q

Where is the spiral organ of corti located?

A

Cochlear duct

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10
Q

Which cranial nerve does not have parasympathetic component?

A

Vestibulocochlear

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11
Q

Which three nerves go together?

A

Facial, Vagus, glossopharyngeal

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12
Q

Which bundle of here fibers contains the central branches of the primary sensory neurons that provide for general sensation (not taste) from the posterior third of the tongue?

A

Spinal trigeminal tract

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13
Q

Which statement is true?

A

Crossing of ascending fibers at more than one level provides exclusive representation of the contralateral cochlea in the primary auditory cortex

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14
Q

Which is involved in the pupillary light reflex?

A

Cilliary ganglion

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15
Q

How many functional components are in the brainstem?

A

7

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16
Q

What is the fluid inside of scala media?

A

Endolymph

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17
Q

Which functional component do the trochlear, oculomotor, and hypoglossal nerves have in common?

A

GSE

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18
Q

Where are the motor neurons that innervate the larynx and pharynx located?

A

Nucleus ambiguus

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19
Q

Which is the major decussation of the auditory pathway?

A

Trapezoid body/fibers

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20
Q

The cochlear nuclei

A

receive afferents from the spiral ganglion

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21
Q

Where might a lesion cause a loss of taste?

A

Solitary tact and nucleus

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22
Q

What muscle is supplied by the sixth cranial nerve?

A

Lateral rectus

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23
Q

Which cranial nerve carries taste sensation from the back of the throat, including the epiglottis?

A

Vagus

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24
Q

Which group of nerves contain the special visceral afferent functional component?

A

Facial, olfactory, vagus

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25
Q

What gyrus is the auditory cortex?

A

Transverse temporal

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26
Q

Which brand of the trigeminal nerve carries motor fibers?

A

Mandibular

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27
Q

Olfactory epithelia contain which type of cells?

A

Bipolar cells

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28
Q

Olfactory glomeruli receptor axons synapse where?

A

Olfactory bulb

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29
Q

Olfactory tract contain what type of cells?

A

Mitral cell axons

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30
Q

You 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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31
Q

You shine a light in the right eye, no contraction, the left eye contracts. Which nerve is damaged?

A

Right oculomotor (transection of right oculomotor

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32
Q

Corneal blink reflex involves?

A

CNV (afferent) and CNVII (efferent)

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33
Q

The fovea contains which type of cells?

A

Cones

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34
Q

Olfactory cell axons are made of which type of cells?

A

Mitral cells

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35
Q

What olfactory striae is contralateral?

A

Medila

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36
Q

A lesion to what area will cause a loss in taste?

A

Nucleus solitaris

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37
Q

What olfactory striae is involved in conscious perception of smell?

A

Intermediate olfactory striae

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38
Q

The most important crossover in the auditory pathway is?

A

Trapezoid body

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39
Q

What is the primary auditory cortex?

A

Transverse temporal gyrus

40
Q

When looking to the right you activate?

A

Right abducens, left oculomotor

41
Q

Where do olfactory cells cross?

A

Anterior commissure

42
Q

Some mitral cell axons cross at?

A

Anterior commissure

43
Q

What innervates muscles of mastication?

A

Trigeminal

44
Q

Where do ganglion cells not terminate?

A

Visual cortex

45
Q

Which is not made by the anterior pituitary?

A

Oxytocin

46
Q

The medial and lateral hypothalamus is separated by

A

Fornix

47
Q

Olfactory nerve body

A

bulb

48
Q

Olfactory glomeruli contain fibers from all except

A

Granule cells

49
Q

These neurons are replaced about every 2 months

A

Olfactory

50
Q

Which olfactory striae response is for odor perception?

A

Medial

51
Q

Hallucination?

A

Parahippocampal gyrus

52
Q

The hypothalamus is associated w/ ?

A

Endocrine Limbic ANS

53
Q

Circuit for explained emotion is ___ and is involved with the limbic system

A

Papez circuit

54
Q

The fornix goes from ____ to _____

A

Hippocampus to mammillary bodies

55
Q

Vasopressin released in capillaries with in neurohypophysis is produced by?

A

Neurons projecting to the posterior pituitary gland

56
Q

Cold/warm water in ears

A

Semicircular canal

57
Q

Which nerves involve SVA

A

I,VII,X

58
Q

An example of photoreceptors are?

A

Rods

59
Q

Which is not true o the nerves of solitary tract?

A

Go to anterior 1/3 of tongue for taste

60
Q

What is the sensory organ for dynamic equilibrium?

A

Cristae

61
Q

The hypoglossal nerve is?

A

Motor

62
Q

Run into a tree?

A

Utricle Saccule, Both

63
Q

72 year old w/ history of CVD has sudden onset confusion which her left arm and leg become weak.

A

Right internal capsule

64
Q

Which nucleus receives afferent fibers from verbal hearing in left ear?

A

Superior olivary nucleus

65
Q

Cerebral peduncle does not contain which of the following?

A

Superior colliculus

66
Q

Which functional component is associated with vestibulocochlear nerve?

A

Specific somatic afferents

67
Q

V3 of trigeminal is?

A

Mostly motor

68
Q

The hypoglossal nerve

A

Has nothing to do with taste, only motor

69
Q

The glossopharyngeal nerve

A

Motor nucleus/nucleus ambiguous

70
Q

Descending tract

A

Corticospinal tract, reticulospinal tract, vestibulospinal tract, raphospinal tract

71
Q

Where are alpha motor neurons found?

A

Gray matter of spinal cord

72
Q

What functional component do cranial nerve 3,6,and12 share?

A

GSE

73
Q

Which is not a direct target of axon cells?

A

Visual cortex

74
Q

The hyoglossus innervate?

A

Hypoglossal nerve

75
Q

Orger of ascending pathway of conscious awareness?

A

Ophthalmic, trigeminal, spinal trigeminal, and primary sensory area

76
Q

Which is true?

A

Many crossover = exact hearing

77
Q

What is a tract?

A

Bundle of nerve fibers in CNS

78
Q

What flexure forms the rhomboid fossa?

A

Pontine

79
Q

Which CN exits between the olive and the pyramid?

A

Hypoglossal

80
Q

Which cranial never makes the border between the basilar pons and the middle cerebral peduncle?

A

CN5

81
Q

Which of the following cranial nerve is attached to the midbrain?

A

Oculomotor

82
Q

The spinal lemniscus is concerned with ____ functional component?

A

GSA

83
Q

____ is the interneuron nucleus for vertical gaze control

A

Accessory Oculomotor

84
Q

The fixation and smooth pursuit movements of the eyeball are largely ___ and the pathway originates the ____

A

Involunatry/superior colliculs

85
Q

The GVE preganglionic neuron that supply the heart are located in the ____ nucleus

A

Dorsal motor nucleus of vagus

86
Q

Which of the following nerves has an autonomic component?

A

Oculomotor

87
Q

Which of the following structure is the source of GVE preganglionic parasympathetic innervation to the otic ganglion?

A

Inferior salivary nucleus

88
Q

The ____ nucleus is necessary for the pupillary reflex?

A

Pretectal

89
Q

The ALS is concerned w/?

A

GSA

90
Q

The functional component associated with the cell bodies located in visceromotor ganglia is?

A

GVE

91
Q

Which CN has four nuclei in the brain?

A

Vestibulocochlear

92
Q

When the ___ is injured or destroyed the ipsilateral eye can’t adduct when the contralateral eye abducts in the lateral gaze examination

A

Brachium of superior colliculus

93
Q

Damage to the occipital lobe would most likely cause

A

Loss of vision

94
Q

Concentration in the fovea

A

COnes

95
Q

What is sensory organ for dynamic equilibrium

A

Cristae

96
Q

Hypoglossal nerve

A

Motor

97
Q

Taste on epiglottis

A

Vagus

CNS (5 decks)

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