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20 Cards in this Set

  • Front
  • Back
_________ is the name of the nervous system division that includes the nerves that extend to the outlying parts of the body.
Peripheral Nervous System
_________ is the name of the nervous system division that includes the brain and the spinal cord.
Central Nervous System
A group of peripheral axons bundled together in an epineurium is called a __________.
The two types of cells found in the nervous system are _________ and _________.
neurons, glia
The knee jerk is of a type of neural pathway called a __________ _______.
reflex arc
___________ _________ is a self-propagating wave of electrical disturbance that travels along the surface of a neuron's plasma membrane.
nerve impulse
The exterior of a resting neuron has a slight _________ charge, whereas the interior has a slight _________ charge.
positive, negative
During a nerve impulse, ________ is the ion that rushes into the neuron.
The __________ is the place where impulses are passed from one neuron to another.
Acetylcholine and dopamine are examples of __________, which are chemicals used by neurons to communicate.
__________, __________, and __________ are the three membranes that make up the meninges.
dura mater, arachnoid layer, pia mater
There are ___ pair of cranial nerves and ___ pairs of nerves that come from the spinal cord.
12, 31
__________ are skin surface areas supplied by a single spinal nerve.
__________ is the part of the autonomic nervous system that regulates effectors during nonstress conditions.
parasympathetic nervous system
_________ is the part of the autonomic nervous system that regulates the "fight-or-flight" response.
sympathetic nervous system
The preganglionic axons of the sympathetic nervous system release the neurotransmitter __________. The postganglionic axons release __________.
The preganglionic axons of the parasympathetic nervous system release the neurotransmitter _________; the postganglionic axons release ____________.
acetylcholine, acetylcholine
The autonomic nervous system consists of neurons that conduct impulses from the brain or spinal cord to _________ tissue, _________ tissue, and __________ tissue.
cardiac muscle, smooth muscle, glandular epithelial
Schwann cells
cells that make myelin for axons outside the CNS
glia cells that help form the blood-brain barrier