Chapter 17 EOC Questions

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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


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