Lecture 16 Part 2 - Autonomic Nervous System Flashcards
sympathetic division =
fight or flight
parasympathetic division =
rest and digest
ANS motor fibers share a 2-neuron system
- pre-ganglionic fiber
a. synapse onto ___ ganglia - post ganglionic fiber
a. synapse onto ___ organ
1a. autonomic
2a. target
pre ganglionic fibers exit from =
T1-L2
pre gang and post gang fibers are similar in __
length
sympathetic chain ganglia
- segmental ___ ganglia
- located along ___ body wall
- integrates additional spinal levels (__ -__)
- most ___ gang fiber ___ through chain ganglia
- some ___ gang fibers ___ at chain ganglia
- some __ gang fibers synapse at ___ ganglia
- some ___ gang fibers are associated with ___
- autonomic
- posterior
- C6-Co1
- pre, pass
- pre, synapse
- pre, collateral
- post, CNs
pre ganglionic neurotransmitter =
post ganglionic neurotransmitter =
acetylcholine
norepinephrine
acetylcholine is ___ acting
a. ___ responses are of short duration
b. system is ___ turned off
short
parasympathetic
easily
norepinephrine is ___ acting
___ responses may be long in duration
system is ___ turned off
long
sympathetic
not easily
integration of fight/flight response (sympathetic)
- mental alertness, ___ metabolism
- ___ respiratory rate and heart rate
- activation of ___ glands
- ___ urinary and digestive functions
- __ blood supply to urinary and digestive organs
- sexual ___
- increased
- increased
- sweat
- stops
- stops
- function
integration of the rest/digest response (parasympathetic)
- ___ metabolism
- ___ respiratory rate and heart rate
- activates salivary and ___ glands
- ___ blood supply to urinary and digestive organs
- ___ GI activity, intimation and defecation
- sexual ___
- decreases
- decreases
- digestive
- increases
- increases
- function
what is longer, pre gang fibers or post gang fibers
pre gang fibers
parasympathetic ganglia are located at or near …
their targets
neurotransmitters in parasympathetic division, both pre gang and post gang fibers utilize …
acetylcholine
hemostasis =
maintaining the status quo