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2. What happens if the impulse does not reach the threshold?

  • The PD goes below resting potential
  • It goes back to resting potential
  • A action potential is created

3. What is the PD of resting potential?

  • -55mv
  • -70mv
  • 60mv
  • -50mv

4. How is the PD(potential difference) affected at depolerisation?

  • The PD increases
  • The PD decreases
  • The PD stays the same

5. What starts an action potential?

  • A feeling
  • A reaction
  • A impulse
  • A signal
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