Chapter 8 test Flashcards
Name of the nervous system division that includes the brain and spinal cord
Central nervous system
A group of peripheral our sons bundle together and up in an epineurium called a
Nerve
Two types of cells found in the nervous system
Neuron’s, glia
The knee-jerk is a type of Nero pathway called a
Reflex arc
A self propagating wave of electrical disturbance that travels along the surface of a neuron’s plasma membrane
Nerve impulse
The exterior of a rest in your own has a slight charge where is the interior has a slight charge. What are the charges
Positive, negative
The ion that rushes into the neuron during a nerve impulse
Sodium ion
Place where impulses are passed from one neuron to another
Synapse
Acetylcholine and upper mean are examples of blank, which are chemicals used by neuron’s to communicate
Neurotransmitters
Three membranes that make up the meninges
Dura matter, arachnoid layer, and mater
There are how many pairs of cranial nerves and how many pairs of nerves they come from the spinal cord
12,31
Skin surface area supplied by a single spinal nerve
Dermatomes
Part of the autonomic nervous system that regulates effectors during nonstress conditions
Parasympathetic nervous system
The preganglionic axons of the sympathetic nervous system release the Nero transmitter ______? The postganglionic axons release _______?
Acetylcholine, norepinephrine
The preganglionic axons of the parasympathetic nervous system release the neurotransmitter _______? The postganglionic axons release _______?
Acetylcholine, acetylcholine