nervous system Flashcards
1
Q
nerve cell
A
neuron
2
Q
fatty covering
A
myelin sheath
3
Q
list 2 nerve fibers
A
dendrites & axon
4
Q
multipolar
A
several dendrites, 1 axon
5
Q
unipolar
A
1 process
6
Q
bipolar
A
1 dendrite, 1 axon
7
Q
sensory neurons
A
afferent, goes to the spinal cord
8
Q
brings response info
A
motor neurons
9
Q
internuncial neurons are only found in ..
A
brain & spinal cord
10
Q
physiology of a nerve impulse (outside +)
A
resting potential
11
Q
restoration of original charge
A
repolarization
12
Q
if a fiber is ..
A
myelinated
13
Q
the nerve transmission occurs at ..
A
the Nodes of Ranvier
14
Q
if a nerve fiber carrie’s any impulse , it will carry a full strength impulse
A
all or none law
15
Q
close but not touching
A
synapses
16
Q
spinal cord is protected by ..
A
vertebral column & meninges
17
Q
meninges:
A
dura mater (tough mother)
arachnoid mater
pia mater (delicate mother)
