unit 7: sympathetics, distrib of preganglionics TO symp trunk Flashcards Preview

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Flashcards in unit 7: sympathetics, distrib of preganglionics TO symp trunk Deck (9)
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1
Q

preganglionic axons travel from the __-___ cord levels to enter the symp trunk, and may __ to higher levels or __ to lower levels of the trunk

A

T1-L2
ascend
descend

2
Q

in gen, fibers from __-__ levels will ascend and fibers from __-__ will descend

A

T1-T5

T5-L2

3
Q

axons that carry info to the HEAD & NECK are carried in the __ & __ nerves that will ascend to and synapse in the __ __ ganglion

A

T1 & T2

superior vervical

4
Q

axons influencing the HEART arise from __-__, mostly ascending to one of the three __ ganglia, or pass directly to the heart

A

T1-T4

cervical

5
Q
  • axons influencing LUNGS leave cord at __-__ nerves

- these PREganglionic fibers synapse in the __-__ thoracic ganglia

A

T2-T4

2nd-4th

6
Q

PREganglionic fibers to the UE are carried in the __-__ nerves and after entering the symp trunk, will ascend & synapse to the __ cervical & __ cervical/stellate ganglia

A

T3-T7
middle
inferior

7
Q

fibers to ABDOMINAL VISCERA arise from __-__ levels and may synapse in lower thoracic ganglion or pass THRU the symp trunk, carried by the greater (mc), lesser, & least __ nerves

A

T5-T12

splanchnic

8
Q

fibers to PELVIC viscera arise from __-__ levels, and will __ to ganglia in lower thoracic, lumbar & pelvic areas

A

T10-L2

descend

9
Q

PREganglionics to the LE are carried in the __-__, and will descend in the __ trunk to synapse on the 2nd lumbar - 4th sacral ganglia

A

T10-L2

sympathetic