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Action Potential 7 Steps

Biology7 CardsCreated 10 months ago

This deck covers the seven key steps involved in the generation and propagation of an action potential, focusing on changes in ion channel activity and membrane potential.

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STEP 1 Threshold stimulus to -55mv

Stimulus

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Key Terms

Term
Definition
STEP 1 Threshold stimulus to -55mv
Stimulus
STEP 2 Na+ channels open
Channel open
STEP 3 Na+ ions flood in
flood in
STEP 4 At +30mv, Na channels close and K ions channels open
K ions
STEP 5 K floods out of the cell
Out of cell
STEP 6 Hyperpolarization to -90mv
Hyper

Related Flashcard Decks

TermDefinition
STEP 1 Threshold stimulus to -55mv
Stimulus
STEP 2 Na+ channels open
Channel open
STEP 3 Na+ ions flood in
flood in
STEP 4 At +30mv, Na channels close and K ions channels open
K ions
STEP 5 K floods out of the cell
Out of cell
STEP 6 Hyperpolarization to -90mv
Hyper
STEP 7 K channels close and the resting potential is re-established at -70
Re-established