Action Potential Flashcards
(4 cards)
1
Q
What is an action potential?
A
the electrical impulse that travels down an axon of a neurone
2
Q
What is membrane potential?
A
the difference in charge between the outside and inside of a neurone
3
Q
What are the 5 stages of an action potential?
A
Stimulus, depolarisation, repolarisation, hyperpolarisation, resting potential
4
Q
What happens at ‘stimulus’ ?
A
Sodium ions (Na+)
