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A&P1 Chapters 16 and 17 Study guide
Terms in this set (30)
The somatic nervous system controls:
voluntary movement of skeletal muscles
The autonomic nervous system controls:
involuntary functions of smooth and cardiac muscle
The parasympathetic and sympathetic are divisions of what nervous system?
How many numbers of motor neurons leave CNS to muscles in the somatic nervous system?
How many motor neurons leave CNS to muscles in the autonomic nervous system?
The rest/digest division of the ANS:
The flight/fight division of the ANS:
Division of the ANS the controls smooth muscle, cardiac muscle, and glands during normal non emergency situations
Division of the ANS that increases alertness to prepare for emergency situations
What is known to be the site of synapse between preganglionic and ganglionic neuron
Which division of the ANS is known as the thoracolumbar division?
In the sympathetic division, where do preganglionic neurons emerge?
close to the spinal cord at the thoracic and lumbar regions
What is the relative length of sympathetic preganglionic neurons?
What is the relative length of sympathetic ganglionic neurons?
sympathetic chain ganglia innervates organs:
superior to diaphragm
collateral ganglia innervates organs:
inferior to diaphragm
ganglionic neurons innervate:
Where is the adrenal gland located?
above the kidneys
What hormones does the adrenal medulla secrete?
epinephrine and norepinephrine
What kind of innervation is received by adrenal medulla?
Which division of the ANS is known as the craniosacral division?
In the parasympathetic division, where do preganglionic neurons emerge?
brainstem and sacral region of spinal cord
What is the relative length of parasympathetic preganglionic neurons?
What is the relative length of parasympathetic ganglionic neurons?
Where is autonomic ganglia located in parasympathetic division?
near the target organs
What are autonomic (visceral) reflexes?
unconscious automatic responses
Sensory fibers from which visceral reflexes bypass the CNS?
short visceral reflexes
Sensory fibers from which visceral reflexes enter the CNS?
long visceral reflexes
List the 5 special senses:
olfaction, gustation, vision, equilibrium, and hearing
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