Biology, 06.05.2020 07:35 katielloyd
Action potentials (nerve impulses) are changes in the membrane potential that, once started, will affect the entire excitable membrane. The first action potential is usually generated at the initial segment of the neuron's axon. This activity will test your understanding of the sequence of events that occur at the membrane of the initial segment of the axon during generation of an action potential.
a..Threshold stimulus
Na+ channels open
b..Na+ influx
Depolarization
c. Na+ channels close
d..K+ efflux
Repolarization
e. Hyperpolarization
K+ channels close
Answers: 1
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