ACTUAL Exam Questions and CORRECT
Answers
what is another name for the ANS? - CORRECT ANSWER - involuntary nervous system
or general visceral motor system
What do the preganglionic fibers of the ANS release? - CORRECT ANSWER -
Acetylcholine
what do the postganglionic fibers of the ANS release? - CORRECT ANSWER -
norepinephrine or ACh
What do somatic motor neurons release at their synapses with skeletal muscle? - CORRECT
ANSWER - Acetylcholine
where are the parasympathetic ganglia located? - CORRECT ANSWER - in or near their
visceral effectors organs
where are sympathetic ganglia located? - CORRECT ANSWER - close to spinal cord
what are the 3 main differences between sympathetic and parasympathetic divisions? -
CORRECT ANSWER - sites or origins, relative lengths of fibers, location of ganglia
are the preganglionic fibers of the sympathetic nervous system long or short? - CORRECT
ANSWER - short
are the postganglionic fibers of the sympathetic nervous system long or short? - CORRECT
ANSWER - long
, are the preganglionic fibers of the parasympathetic nervous system long or short? - CORRECT
ANSWER - long
are the postganglionic fibers of the parasympathetic nervous system long or short? - CORRECT
ANSWER - short
where do the parasympathetic preganglionic fibers originate? - CORRECT ANSWER - in
the brain and sacral spinal cord, carinosacral
where do the sympathetic fibers originate? - CORRECT ANSWER - thoracic and lumbar
regions of spinal cord, thoracolumbar
which ANS division is referred to as the "rest-and-digest" system? - CORRECT
ANSWER - parasympathetic division
where are the cell bodies of the cranial part of the parasympathetic division located? -
CORRECT ANSWER - brain stem
where do the preganglionic fibers of the parasympathetic division run? - CORRECT
ANSWER - oculomotor, facial, glossopharyngeal, and vagus cranial nerves
how many paravertebral ganglia are in the sympathetic trunk? - CORRECT ANSWER -
23: 3 cervical, 11 thoracic, 4 lumbar, 4 sacral, 1 coccygeal
what are the major neurotransmitters of the ANS? - CORRECT ANSWER - acetylcholine
and norepinephrine
what fibers releases Ach? - CORRECT ANSWER - cholinergic fibers
where is ACh of cholinergic fibers released? - CORRECT ANSWER - all ANS
preganglionic axons and all parasympathetic postganglionic axons