Action
Potential
:
Inside
the
celli
s
____________________
*
and
MG
*
*
Outside
the
cell
is
____________________
*
and
Cl
*
.
Stimulation
increases
membrane
permeability
to
sodium
.
Passive
depolarization
:
Na
*
goes
into
the
cell
by
____________________
creating
a
change
in
electronegativity
.
K
*
goes
out
of
the
cell
.
Cl
*
goes
____________________
the
cell
.
Decreased
membrane
permeability
to
Na
,
K
and
Cl
.
Active
transport
:
____________________
goes
out
of
the
cell
.
____________________
goes
into
the
cell
.
Repolarization
occurs
due
to
increase
potassium
conductance
.
Moves
back
to
resting
membrane
potential
.
Resting
membrane
potential
:
Muscle
-
90
MV
Neuron
-
70MV
Absolute
Refractory
Period
:
When
a
second
action
potential
____________________
be
elicited
.
Relative
Refractory
Period
:
When
a
second
action
potential
can
be
elicited
,
but
must
be
a
greater
____________________
than
the
first
.
Rheobase
:
Minimum
current
____________________
for
an
action
potential
to
occur
.
Chronaxie
:
Time
needed
using
2x
the
rheobase
for
excitatio
n
