QUESTIONS AND ANSWERS |
A+ SCORE ASSURED
autonomic nervous system function - ANSWER ✔✔efferent
innervation of tissues other than skeletal muscle
- involuntary
target tissues of autonomic nervous system - ANSWER ✔✔cardiac
muscle
smooth muscle (particularly circulatory system)
adipocytes (fats)
, glands
preganglionic neuron in ANS - ANSWER ✔✔one neuron with cell
body in gray matter of CNS that comes out and makes its way to a
ganglion and synapses with another neuron
postganglionic neuron in ANS - ANSWER ✔✔comes out to the target
tissue (smooth muscle) and can produce an excitatory or inhibitory
response
divisions of the ANS - ANSWER ✔✔1. sympathetic
2. parasympathetic
paired innervation - ANSWER ✔✔innervation of target organs is
paired
- result is the net of both divisions' activity in any target tissue
preganglionic and postganglionic neurons in sympathetic division of ANS
- ANSWER ✔✔- preganglionic originate in gray matter of spinal cord
between T1 and L2 and exits spinal cord to synapse with postganglionic
neuron
- postganglionic neuron has trunks that span the spinal column to sacral
where are the places where synapses occur in the sympathetic division -
ANSWER ✔✔1. sympathetic chain