Neurologic pathway

Question 1

signal enters cord as what type of input?

Answer 1

afferent sensory input

Question 2

afferent sensory input synpases in what location?

Answer 2

dorsal horn at tract of lissauer

Question 3

what sorts between pain and temperature information?

Answer 3

tract of lissauer

Question 4

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

Answer 4

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

Question 5

lateral spinothalamic tract ascends into what region?

Answer 5

brain

Question 6

lateral spinothalamic tract carries what type of information?

Answer 6

cutaneous message

Question 7

lateral spinothalamic tract terminates at the

Answer 7

ventral posterolateral nucleus of thalamus

Question 8

thalamus synapses to…

Answer 8

brodmann area 3, 1, 2 and insular cortex

Question 9

brodmann area 3, 1, 2 is known as…

Answer 9

primary somatosensory cortex

Question 10

insular cortex is also known as…

Answer 10

insula or isle of reil

Question 11

anterior portion of insular cortex regulates what type of function?

Answer 11

visceroautonomic function

Question 12

insula will forward message to what region of the brain?

Answer 12

hypothalamus (adenohypophysis/anterior hypothalamic nucleus)

Question 13

hypothalamus regulates what function?

Answer 13

regulation of autonomic function

Question 14

anterior hypothalamic nucleus becomes what tract?

Answer 14

descending autonomic tract

Question 15

the descending autonomic tract passes through which structure?

Answer 15

brainstem

Question 16

descending autonomic tract travels to…

Answer 16

original site of dermatomal thermoregulation

Question 17

preganglionic sympathetic fibers synapse with…

Answer 17

sympathetic paravertebral ganglionic chain

Question 18

what are the three synpase outcomes of preganglionic sympathetic fibers?

Answer 18

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

Question 19

what is the most likely outcome for dermatomal thermoregulation?

Answer 19

staying at same ganglion level

Question 20

preganglionic sympathetic fibers will neurotransmit…

Answer 20

AcH

Question 21

AcH stimulates…

Answer 21

nicotinic postganglionic fiber

Question 22

nicotinic postganglionic fiber transmits…

Answer 22

epinephrine

Question 23

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

Answer 23

tunica media and constrict vasculature

Question 24

what cord levels make up the sympathetic nervous system?

Answer 24

T1-L3

Question 25

sympathetic chain extends in what direction?

Answer 25

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

Question 26

are warmth receptors myelinated or unmyelinated?

Answer 26

unmyelinated

Question 27

are cold receptors myelinated or unmyelinated?

Answer 27

myelinated - saltatory

Question 28

ambient control is…

Answer 28

dermatome specific