General Nerve stuff Flashcards
Somatic has ______ effects whereas autonomic effects are _______.
localized, widespread
Somatic is _________ only, autonomic is _____ or ______
excitatory, excitatory or inhibitory
Somatic controls _____, autonomic is _________.
voluntary, involuntary
Somatic works with _____ muscles, the autonomic system works with ____ and _____ muscles and ______.
skeletal, smooth cardiac glands
Sympathetic is _____ or _____.
fight or flight
Parasympathetic is _______ and ______.
relaxation and digestion
Where are the ganglion (generally) located for the autonomic nervous system?
one in the CNS and one on the outside of the CNS.
Sympathetic preganglionic fibers are ____ and postganglionic fibers are _____
short, long
Parasympathetic preganglionic fibers are ____ and postganglionic fibers are _____
long, short
What is a divergent pathway?
on presynaptic neuron branches to affect a larger number of post synaptic neurons
What is a convergent pathway?
many presynaptic neurons converge to influence a smaller number of post synaptic neurons
What does the central nervous system consist of?
the brain and spinal cord
What is the CNS protected by?
the meninges
What does the choroid plexus produce?
cerebrospinal fluid
What is a cluster of neurons called?
the nucleus
What do the sensory ganglia contain?
pseudounipolar/bipolar sensory neurons
What do the ends of the pseudounipolar/bipolar sensory neurons connect to?
the neurons within peripheral organs and the neurons within spinal cord or brain
What does afferent mean?
from the periphery to the center
What does efferent mean?
from the center to the periphery
What do general somatic efferent fibers go to?
the skeletal muscle
What do general visceral efferent fibers go to?
smooth and cardiac muscles and glands
What do general somatic afferent fibers come from?
the skin, muscle spindle, tendons, joint capsule, and ligaments
What do general visceral afferent fibers come from?
the viscera - visceral pain and mucous membrane
What do special visceral afferent fibers come from?
the special sense organs - olfactory mucosa and tasete buds
