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Sublux > Neurologic pathway > Flashcards

Neurologic pathway Flashcards

1
Q

signal enters cord as what type of input?

A

afferent sensory input

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2
Q

afferent sensory input synpases in what location?

A

dorsal horn at tract of lissauer

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3
Q

what sorts between pain and temperature information?

A

tract of lissauer

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4
Q

after synpasing in the dorsal horn at tract of lissauer, where is the next synpase location?

A

from gray matter to white matter to become the lateral spinothalamic tract

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5
Q

lateral spinothalamic tract ascends into what region?

A

brain

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6
Q

lateral spinothalamic tract carries what type of information?

A

cutaneous message

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7
Q

lateral spinothalamic tract terminates at the

A

ventral posterolateral nucleus of thalamus

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8
Q

thalamus synapses to…

A

brodmann area 3, 1, 2 and insular cortex

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9
Q

brodmann area 3, 1, 2 is known as…

A

primary somatosensory cortex

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10
Q

insular cortex is also known as…

A

insula or isle of reil

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11
Q

anterior portion of insular cortex regulates what type of function?

A

visceroautonomic function

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12
Q

insula will forward message to what region of the brain?

A

hypothalamus (adenohypophysis/anterior hypothalamic nucleus)

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13
Q

hypothalamus regulates what function?

A

regulation of autonomic function

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14
Q

anterior hypothalamic nucleus becomes what tract?

A

descending autonomic tract

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15
Q

the descending autonomic tract passes through which structure?

A

brainstem

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16
Q

descending autonomic tract travels to…

A

original site of dermatomal thermoregulation

17
Q

preganglionic sympathetic fibers synapse with…

A

sympathetic paravertebral ganglionic chain

18
Q

what are the three synpase outcomes of preganglionic sympathetic fibers?

A

ascend to ganglion at a higher cord level, descend to ganglion at a lower cord level and stay at same ganglionic level

19
Q

what is the most likely outcome for dermatomal thermoregulation?

A

staying at same ganglion level

20
Q

preganglionic sympathetic fibers will neurotransmit…

A

AcH

21
Q

AcH stimulates…

A

nicotinic postganglionic fiber

22
Q

nicotinic postganglionic fiber transmits…

A

epinephrine

23
Q

nicotinic postganglionic fibers transmit epinephrine which will terminate where and cause what effect?

A

tunica media and constrict vasculature

24
Q

what cord levels make up the sympathetic nervous system?

A

T1-L3

25
Q

sympathetic chain extends in what direction?

A

upward, which is a reflection of “core activity below” (supports pattern analysis)

26
Q

are warmth receptors myelinated or unmyelinated?

A

unmyelinated

27
Q

are cold receptors myelinated or unmyelinated?

A

myelinated - saltatory

28
Q

ambient control is…

A

dermatome specific

Sublux (10 decks)

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