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Neuroanatomy Exam 3/4 Questions > Exam 3/4 > Flashcards

Exam 3/4 Flashcards

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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 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

Opthalmic Nerve
Trigeminal Ganglion
Spinal Trigeminal Nucleus
Primary Sensory Area

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7
Q

Ascending fibers of the medial longitudinal fasciculus 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 & Facial

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9
Q

Where is the spiral organ (of corti)?

A

Cochlear Duct

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10
Q

Which cranial nerve does not have a parasympathetic component?

A

Vestibulocochlear

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11
Q

There off the following nerves have similar functions - which one is different?

A

Trochlear

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12
Q

Which bundle of nerve 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

What statement is true?

A

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

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14
Q

Which is involved in the pupillary light reflex?

A

Ciliary 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

What muscle is supplied by the 6th nerve?

A

Lateral Rectus

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18
Q

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

A

GSE

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19
Q

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

A

Nucleus Ambiguus

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20
Q

Which is the major decussation of the auditory pathway?

A

Trapezoid Body / Fibers

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21
Q

The cochlear nuclei…

A

…receive afferents from the spiral ganglion

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22
Q

Where might a lesion cause a loss of taste?

A

Solitary tract and nucleus

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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
What gyrus is the auditory cortex?
Transverse Temporal
26
Which branch of the trigeminal nerve carries motor fibers?
Mandibular
27
Olfactory epithelia contains which type of cells?
Bipolar Cells
28
Olfactory glomeruli receptor axons synapse where?
Olfactory Bulb
29
Olfactory tract contain what type of cells?
Mitral cell axons
30
You shine a light in the right eye but the left pupil does not respond. Which nerve is damaged?
Left oculomotor nerve
31
You shine a light in the right eye...no contraction, the left eye contracts. What nerve is damaged?
Right oculomotor (transection of right oculomotor)
32
Corneal blink reflex involves?
CN trigeminal (afferent) & CN facial (efferent)
33
The fovea contains which type of cells?
Cones
34
Olfactory cell axons are made of which type of cells?
Mitral
35
What olfactory striae is contralateral?
Medial
36
These neurons are replaced about every 2 months...
Olfactory
37
Olfactory glomeruli contain fibers (axons or dendrites) from all except?
Granule Cells
38
Olfactory nerve body...
Bulb
39
The medial and lateral hypothalamus is separated by
Fornix
40
Which is not made by the anterior pituitary?
Oxytocin
41
Where do ganglion cells not terminate?
Visual cortex
42
What innervates muscles of mastication?
Trigeminal
43
Some mitral cell axons cross at?
Anterior Commissure
44
Where do olfactory cells cross?
Anterior Commissure
45
When looking to the right you activate...
right abducens, left oculomotor
46
What is the primary auditory cortex?
transverse temporal gyrus
47
The most important crossover in the auditory pathway is?
Trapezoid body
48
A lesion to what area will cause a loss in taste?
Nucleus solitaris
49
Which olfactory striae response is for odor perception?
Medial
50
Hallucination?
Parahippacampal gyrus?
51
The hypothalamus is associated with
Endocrine Limbis ANS
52
Circuit for explained emotion is_____and is involved with the limbic system?
Papez Circuit
53
The fornix goes from ___ to ___?
Hippocampus to mammillary bodies
54
Vasopressin released in capillaries within neurohypophysis is produced by?
Neurons projecting to the posterior pituitary gland
55
*** cold/warm water in ears?
Semicircular canal?
56
Which nerves involve SVA?
I VII X
57
Example of photoreceptors
Rods
58
Which is not true of the nerves of solitary tract?
Go to anterior 1/3 of tongue for taste
59
What is the sensory organ for dynamic equilibrium?
Cristae
60
The hypoglossal nerve is___?
Motor
61
*** run into a tree?
Utricle Saccule Both
62
72 year old with history of cardiovascular disease has sudden onset confusion which her left arm and leg became weak. Weakness was due to which of the following?
Right internal capsule
63
Which nucleus receives afferent fibers from verbal hearing in the left ear?
Superior Olivary nucleus
64
Cerebral peduncle does not contain which of the following?
Superior Colliculus
65
Which functional component is associated with vestibulocochlear nerve?
Specific Somatic Afferents
66
V3 of trigeminal is___
most motor
67
The hypoglossal nerve___
has nothing to do with taste, MOTOR only
68
The glossopharyngeal nerve....
Motor nucleus / nucleus ambiguous
69
Descending tract...
Corticospinal tract, reticulospinal tract, vestibulospinal tract, raphospinal tract
70
Where are the alpha motor neurons found?
Gray matter of Spinal Cord
71
What functional component do cranial nerve 3, 6, and 12 share?
GSE
72
Which is not a direct target of axon cells?
Visual Cortex
73
The hyoglossus innervates..
Hypoglossal nerve
74
Order of ascending pathway of conscious awareness?
Ophthalmic Trigeminal Spinal Trigeminal Primary Sensory Area
75
Which is true?
Many crossovers = exact hearing
76
What is a tract?
Bundle of nerve fibers in CNS
77
What flexure forms the rhomboid fossa?
Pontine
78
Which CN exits between the olive and the pyramid?
Hypoglossal
79
Which cranial nerve makes the border between the basilar pons and the middle cerebral peduncle?
CN 5
80
Which of the following cranial nerve is attached to the midbrain?
Oculomotor
81
The spinal lemniscus (spinothalamic tract) is concerned with___functional component?
GSA
82
___is the interneuron nucleus for vertical gaze control?
Accessory oculomotor
83
The fixation and smooth pursuit movements of the eyeball are largely___and the pathway originates from the ___.
Involuntary / Superior Colliculus
84
The GVE preganglionic neuron that supply the heart are located in the ___nucleus?
Dorsal motor nucleus of the Vagus
85
Which of the following nerves has an autonomic component?
Oculomotor
86
Which of the following structures is the source of GVE preganglionic parasympathetic innervation to the otic ganglion
Inferior Salivary Nucleus
87
The ___nucleus is necessary for the pupillary reflex?
Pretectal
88
The ALS (antero-lateral system) is concerned with___functional components?
GSA
89
The functional component associated with the cell bodies located in the visceromotor ganglia is___?
GVE
90
Which CN has 4 nuclei in the brain?
Vestibulocochlear
91
When the _____ is injured or destroyed the ipsilateral eye cant adduct when the contralateral eye abducts in the lateral gaze examination?
Brachium of the superior colliculus
92
Damage to the occipital lobe would most likely cause ___
Loss of vision

Neuroanatomy Exam 3/4 Questions (1 decks)

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