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Flashcards

ANS

Erin Dacey KAAP309 AP Inglês 17 flashcards

Flashcards do conjunto (17)

  1. 1anatomical differences between the sympathetic and parasympathetic nervous system1. sites of origin
    2. relative lengths of their fibers
    3. location of their ganglia
  2. 2sympathetic nervous system fiber lengthSHORT pre-synaptic and
    LONG post-synaptic
  3. 3parasympathetic nervous system fiber lengthLONG pre-synaptic and
    SHORT post-synaptic
  4. 4what type of nerve fiber are presynaptic nervestype B (lightly myelinated)
  5. 5what type of nerve fiber are postsynaptic nervestype C (nonmyelinated)
  6. 6neurotransmitters that the sympathetic nervous system utilizesutilizes ACh at ganglion synapses and norepinephrine at terminal components
  7. 7neurotransmitters that the parasympathetic nervous system utilizesutilizes ACh at both the ganglion synapses and terminal components
  8. 8goal of the sympathetic nervous systemprepare the body for intense physical activity
  9. 9site of origin SNSlateral horns of T1-L2
  10. 10location of ganglia SNSsympathetic chain (trunk) and abdominal aorta
  11. 11sympathetic targets-pupil dilation
    -decrease saliva production
    -increase HR
    -increase respiration (bronchodilator)
    -decrease digestion
    -secrete norepinephrine & epinephrine
    -decrease urination
    -promote ejaculation & vaginal contractions
  12. 12goal of the parasympathetic nervous systemrelax the body and inhibit/slow many high energy functions & ramp up digestive functions
  13. 13site of origin of PSNSbrain stem (CN III, VII, IX, X) and sacral region (S2-4)
  14. 14location of ganglia PSNSnear the target organ
  15. 15parasympathetic targets-pupil constriction
    -increase saliva production
    -increase tear production
    -decrease HR
    -decrease respiration (bronchoconstriction)
    -increase digestion
    -increase urination
    -promote erection of genitalia
  16. 16who is in control of the sympathetic & parasympathetic nervous systemsympathetic = posterior hypothalamus
    parasympathetic = anterior hypothalamus
  17. 17what the hypothalamus controls4 F's:
    -fighting
    -fleeing
    -feeding
    -fucking

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AP KAAP309 FlashCards sobre ANS, criado por Erin Dacey em 29-11-2021.
Criado por
Erin Dacey
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