WorksheetsHBS 2.1.4 The Secret to Signals
Total questions: 17
Worksheet time: 15mins
Which number on the graph represents the threshold potential?
1
2
3
4
6
Identify the axon terminal
W
X
Y
Z
Identify the dendrite
W
X
Y
Z
Action potentials run along the ______ from ______ to ________.
axon, dendrites, axon terminals
axon, axon terminals, dendrites
dendrites, axon, axon terminals
axon terminals, axon, dendrites
The sodium potassium pump restores the resting membrane potential. By which process does this occur?
Osmosis
Diffusion
Facilitated diffusion
Active transport
When is the potassium channel open?
during rest only
during repolarization only
during depolarization only
all the time
Identify the synapse
W
X
Y
Z
Which of the following is involved in maintaining the resting membrane potential of neurons?
Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out
Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out
Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in
Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in
An electrical impulse within a single neuron is called a
synapse
membrane potential
action potential
cell body
Identify the neurotransmitters
W
X
Y
Z
