study tool Flashcards

(49 cards)

1
Q

true of false

the induction of sleep is passive due to arousal systems fatiguing

A

true

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2
Q

what is a sleep promoting area

A

midline brainstem

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3
Q

during a sleep study, during a 10 min period, about 60% of the waveforms recorded were high amplitude delta waves. what sleep stage is this

A

stage IV

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4
Q

in a sleep study, during a 10 minute period, the EEG became highly desynchronized along with a dramatic decrease in EMG activity in most muscles. what sleep state is this

A

REM

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5
Q

sleep factors, such as PGD2 and muramyl peptides, have hypnogenic effects by actin on what area

A

anterior hypothalamus

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6
Q

when traveling rapidly across 6 time zones, jet lag is worse when traveling in what direction

A

east

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7
Q

pontine geniculate occipital spikes (PGO) originate from which of the following

A

REM - ON cells

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8
Q

during REM sleep what happens to the ?heobase of motor neurons in the spinal cord

A

increase

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9
Q

when on awakens spontaneously from sleep, chances are they awaken out of which sleep stage

A

REM

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10
Q

what is associated with sleep deprivation and its link with obesity

A

decreased levels of GH

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11
Q

epileptogenic circuitry is characterized by what features

A

lowered threshold

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12
Q

stimulation of what CN may effectively abort a seizure

A

X

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13
Q

negative symptoms of Schizophrenia are associated with what

A

increased activity of mesocortical projections

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14
Q

persistent muscular tone during REM is characteristic of what

A

REM behavior disorder

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15
Q

what nutrient may be effective at treat in bipolar disorder and has similar damping effects on signal transduction as does lithium salts

A

omege 3 fatty acids

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16
Q

how does stimulation of GABA receptor hyperpolarize a neuron

A

increase membrane permeability to CL-

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17
Q

which of the following chromosomes is not associated with alzheimer’s disease

A

C10

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18
Q

increased activity of the sympathetic nervous system, associated with symptoms of fear is characteristic of what

A

panic attacks

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19
Q

excessive dopaminergic activity may be associated with what conditions

A

schizophreania

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20
Q

chronic low back pain and depression both have shown to cause what

A

shrinkage of the cerebral cortex

21
Q

in alzheimer’s disease extracellular plaques accumulate in the brain, which may dirrupt normal neuronal fuction. what is the main constituent of these plaques

22
Q

what is the frequency of a normal cranial sacral rhythm

23
Q

which BBB

A

circumventricular organs

24
Q

how many times per day does the CSF turn over

25
true or false | activation of the SNS can inhibit antibody production
true
26
true or false | t cells are able to synthesize and release som anterior pituitary hormones
true
27
what is not a function of the CSF
major source of glucose for brain
28
what allows lymphocyctes to respond to neural signals
receptors in membrane that bind neuropeptides, biogenic amines
29
what hormones can negate the pyrogenic effects of interleukin I
alpha MSH
30
what can suppress macrophage activation and synthesis of antibodies by B cells
ACTH
31
all of the following is decreased on spinal cord injury patients except which of the following
cortisol levels
32
in chronic stress, what is not associated with immunosuppression
prolactin
33
true or false | after PNS injury sensory axons can regenerate, but they are unable to re-innervate muscle spindles
false
34
what substances are secreted by tissues/organs that provide ????? support ffor innervatin sympathetic neurons
nerve growth factors
35
what can negat the high mortality rate in mice of combining immobilization stress and inoculation with the vaccinia virus
PM melatonin injections
36
which of the following proteins is associated with synaptogenesis
MAP2
37
which of the following is not associated with apoptosis
cell swelling
38
in the CNS what is an inhibitor of axon outgrowth
myelin
39
after injury, damage in the nervous system can be minimized by what strategies
increased activity of GABA receptors
40
focal hand dystonia is due to what
cortical somatosensory representation of affected digits fused
41
true of false the cerebral cortex has the capacity to reorganize itself in the face of reduced or enhanced afferent input
true
42
in an sdult, the cerebral cortex retains the capacity to reorganize itself to the greatest extent, in response to what
afferent input
43
in neonatal mice thymectomy causes degeneration of with what
anterior potuitary
44
in old mice what hormone resorted thymic capacity to produce thymulin
L-thyroxin
45
true or false | the neuroendocrine system's major influence on the immune system concerns immunologic specificity
true
46
in someone predisposed, what will preciptate a panic attack
inhaloation of CO2
47
in spinal cord injury what happens to immunorespiveness
decreased
48
eletroconvulsive therapy, sometime used to treat depression, has what side effect
memory loss
49
what is a disease off neural connectivity caused by multiple factors (hits) that affect brain development
epilepsy