Depolarization occurs when
U4L2 Nerve impulse and action potential graph review

Quiz
•
Science
•
12th Grade
•
Hard
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19 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
sodium channels open
potassium channels open
sodium channels close
potassium channels close
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a stimulus approaches the axon, it opens up channels to allow what chemical ion to flow into the axon?
sodium
iron
potassium
calcium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Returning back to the resting phase is called -
polarization
conductivity
depolarization
repolarization
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
when does the stimuli cause an action potential?
when it reaches threshold
just below the threshold
just above threshold
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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