Autonomic System Flashcards
1
Q
where to autonomic neurons originate from
A
lateral gray horn
2
Q
preganglionic sympathetic neurons live in which levels?
A
T1-L2
3
Q
what are paravertebral ganglia?
A
sympathetic ganglia that line vertebral column
4
Q
craniosacral
A
parasympathetic 3,7,9,10
5
Q
what is the neurotransmitter for sympathetic nervous system (postganglia)
A
norepinephrine
6
Q
what are the target organs for the autonomic nervous sytem?
A
smooth muscle
cardiac muscle
glands
7
Q
which pathway has a shorter preganglionic pathway?
A
sympathetic
8
Q
which part of pathway is myelinated?
A
preganglionic
9
Q
what does ACh bind to?
A
cholinergic receptors (muscurinic and nicotinic)
- binds to nicotinic in ganglionic synapse
- binds to muscurinic in parasympathetic with target organs
10
Q
what receptors do NE and epinephrine bind to?
A
adrenurgic
- alpha
- beta