Chapter 17 EOC Questions
splanchnic
b. preganglionic fibers to collateral ganglia
Preganglionic
c. first neuron
Prevertebral
d. collateral ganglia
Which of the following ganglia belong to the sympathetic division of the ANS?
paravertebral ganglia
acetylcholine
a. all preganglionic fibers
The neurotransmitter at all synapses and neuroeffector junctions in the parasympathetic division of the ANS is
acetylcholine
All preganglionic autonomic fibers release ________ at their synaptic terminals, and the effects are always _______.
acetylcholine; excitatory
Sympathetic preganglionic fibers are characterized as
being short in length and myelinated
The white ramus communicans
carries the preganglionic fibers into a nearby sympathetic chain ganglion
epinephrine
e. suprarenal medulla
crisis
f. sympathetic activation
Thoracolumbar
g. sympathetic division
Parasympathetic
h. terminal ganglia
Paravertebral
i. sympathetic chain
Splanchnic nerves...
include preganglionic fibers that go to collateral ganglia
sympathetic
j. long postganglionic fiber
The large cells in the supra renal medulla, which resemble neurons in sympathetic ganglia,
release epinephrine and norepinephrine into blood capillaries
Visceral motor neurons in the CNS...
send axons to synapse on peripherally located ganglionic neurons
Preganglionic fibers of the ANS sympathetic division originate in the
thoracolumbar spinal cord
Postganglionic fibers of autonomic neurons are usually
unmyelinated